Generated by All in One SEO v4.9.10, this is an llms.txt file, used by LLMs to index the site. # IOT747 IOT747 is a provider of Bluetooth Audio modules based on Qualcomm Technologies chipsets. IOT747 also provides Software development and Hardware design services. ## Sitemaps - [XML Sitemap](https://www.iot747.com/sitemap.xml): Contains all public & indexable URLs for this website. ## Posts - [Blog](https://www.iot747.com/blog/) - [How Do I Connect to an Auracast Stream](https://www.iot747.com/how-do-i-connect-to-an-auracast-stream/) - Auracast™ is a revolutionary Bluetooth LE Audio feature that allows you to connect to shared audio broadcasts in public spaces—without pairing. Whether you're at an airport, gym, museum, or event, Auracast enables you to tune into live announcements, TV audio, or guided tours directly from your own earbuds, hearing aids, or headphones. This blog walks you through what you need, how to scan for available streams, join a broadcast, and control your listening experience. - [How Many Auracast-Enabled Devices Are Available Today in the Market?](https://www.iot747.com/how-many-auracast-enabled-devices-are-available-today-in-the-market/) - Auracast, a revolutionary feature of Bluetooth LE Audio, is set to transform how we experience and share wireless sound. As of 2025, the number of Auracast-enabled devices on the market is still relatively limited, but the momentum is quickly building. Early support is emerging in hearing aids, wireless earbuds, smartphones, and dedicated broadcast systems designed for public spaces like airports, gyms, and museums. - [How Bluetooth LE Audio CSIP Works](https://www.iot747.com/how-bluetooth-le-audio-csip-works/) - Bluetooth LE Audio is transforming wireless sound with better quality, lower power usage, and exciting new features like Broadcast Audio and multi-stream playback. At the heart of this revolution is CSIP (Coordinated Set Identification Profile)—a key technology enabling seamless coordination between multiple audio devices. CSIP allows a group of devices, such as true wireless earbuds, to function as one logical unit. - [How many Auracast receivers can co-exist](https://www.iot747.com/how-many-auracast-receivers-can-co-exist/) - Auracast™, a powerful feature of Bluetooth LE Audio, allows a single audio broadcast to be received by an unlimited number of nearby devices — no pairing required. This blog explores how many Auracast receivers can coexist in the same space, how the technology works in public environments like airports or gyms, and why it’s a breakthrough for scalable, synchronized wireless audio. - [Will Apple support Auracast](https://www.iot747.com/will-apple-support-auracast/) - Auracast, a key feature of Bluetooth LE Audio, enables audio broadcasts to unlimited nearby devices—revolutionizing shared listening and accessibility. As of 2025, Apple has not officially supported Auracast in its devices, despite adopting other LE Audio technologies like the LC3 codec. While many Android brands and public systems are moving forward with Auracast, Apple is likely waiting to integrate it in a controlled, seamless way. - [IOT747 and AntennaWare Reference Design for Wearable Applications](https://www.iot747.com/iot747-and-antennaware-reference-design-for-wearable-applications/) - Cambridge, 2nd February 2023. IOT747, a Cambridge based leading supplier of wireless modules and solutions are pleased to announce the partnership with AntennaWare. The partnership integrates AntennaWare BodyWave Antenna with the IDC737 Bluetooth® module in an example reference design for long-range and wearable applications. IDC737 incorporates the newest range of Qualcomm® chips, enables multi-connections, can - [Kickmaker launches its IDC777 based Innovative Dual-Mode Classic and Auracast Bluetooth 6.0 Platform](https://www.iot747.com/2201-2/) - Kickmaker partners with IOT747 to launch its Innovative Dual-Mode Classic and Auracast Bluetooth 6.0 Platform based on the IDC777 Bluetooth Module. Cambridge, UK –3rd March 2026 Kickmaker’s Platform (KMF) addresses customers across a wide range of markets, including Audio (High-End and Integrated), Safety (Communication Devices, Tactical and Industrial Headsets), Infrastructure (Trains, Hospitality, and Enterprise), Medical, - [Audio Precision® selects IDC777 for integration into Next-Generation Bluetooth Product](https://www.iot747.com/audio-precision-selects-idc777-for-integration-into-next-generation-bluetooth-product/) - IOT747 is proud to announce that Audio Precision® (AP), the global leader in audio analyzers and testing solutions, has selected the IDC777 Bluetooth® Module for integration into its newly launched, next-generation Bluetooth 5 product. Cambridge, UK – 13 April 2026 IOT747 is proud to announce that Audio Precision® (AP), the global leader in audio test - [IOT747 November Newsletter: Discover the Power of IDC777 – New Classic and LE Audio Features](https://www.iot747.com/iot747-november-newsletter-discover-the-power-of-idc777-now-with-enhanced-le-audio-capabilities/) - Welcome to the IOT747 November 2025 Newsletter — your comprehensive update on recent developments in LE Audio and the IDC777 platform. Latest News 1) New Applications We have recently announced several new customers and applications within the mobility sector, including deployments in Avionics (such as Becker Avionics) and Rail Audio systems in Europe (such as - [Becker Avionics selects IDC777 for its DVCS6500 Digital Voice Communication System](https://www.iot747.com/becker-avionics-selects-idc777-for-integration-into-its-newly-launched-dvcs6500-digital-voice-communication-system/) - IOT747 is proud to announce that Becker Avionics, a leading supplier of communication and digital intercom systems to Air framers and government organisations, has selected the IDC777 Bluetooth® Module for integration into its newly launched, next-generation DVCS6500 Communication System. Cambridge, UK – 17 November 2025 IOT747 is proud to announce that Becker Avionics, - [T+A selects IDC7x7 for use in its Audio Sytem HV, R and Symphonia](https://www.iot747.com/ta-selects-idc7x7-for-use-in-its-audio-sytem-hv-r-and-symphonia/) - IOT747 is pleased to announce that T+A, one of the world’s leading, most innovative Hi-Fi companies has selected the IDC7x7 Bluetooth Modules for integration into its Audio Systems units. Cambridge, UK – 7 October 2025 IOT747 is pleased to announce that T+A, one of the world’s leading, most innovative Hi-Fi companies has selected - [Poet selects IDC777 for use in 2025 Poet sound system line-up](https://www.iot747.com/poet-selects-idc777-for-use-in-2025-poet-sound-system-line-up/) - IOT747 is pleased to announce that Poet, an Austrian high-end developer of high-fidelity sound systems, has selected the IDC777 Bluetooth Module for integration into its newly launched Poet 2025 line-up. IOT747 is pleased to announce that Poet, a renowned Design Award Winner and manufacturer of high-end Austrian audio systems, has selected the - [IOT747 collaborates with cn-mobility and CODICO to bring Auracast to European trains.](https://www.iot747.com/iot747-collaborates-with-cn-mobility-and-codico-to-bring-auracast-to-european-trains/) - IOT747 is pleased to announce that cn-mobility, a leading provider of IT solutions for complex railway operations has selected IDC777 for their Auracast products. Cambridge, UK – 10th July 2025 IOT747 is pleased to announce that cn-mobility, a leading manufacturer of train equipment, has selected the IDC777 Bluetooth Module for integration into its - [Crestron Selects IDC777 for the new DM-NAX-BTIO-1G](https://www.iot747.com/crestron-selects-idc777-for-the-new-dm-nax-btio-1g/) - IOT747, a Cambridge based leading supplier of wireless modules and solutions is pleased to announce that Crestron, the leading manufacturer of automation and control technology, has selected the IDC777 Bluetooth Module for integration into its newly launched DM-NAX-BTIO-1G. Cambridge, Uk - 20 June 2025 IOT747 is pleased to announce that Crestron, the leading manufacturer of - [IOT747 Newsletter: Discover the Power of IDC777 – Now with Enhanced LE Audio Capabilities](https://www.iot747.com/iot747-newsletter-discover-the-power-of-idc777-now-with-enhanced-le-audio-capabilities/) - Welcome to the IOT747 newsletter, your source for the latest updates on the IDC777 – our cutting-edge Bluetooth 5.4 dual-mode module (Classic + LE Audio). With the release of the new AA3140 Firmware, the IDC777 takes a major leap forward in performance and features, reaffirming our commitment to delivering the Best-in-Class Bluetooth Solution at the - [IOT747 visiting CES with new LE Audio Demos](https://www.iot747.com/iot747-visiting-ces-with-new-le-audio-demos/) - Las Vegas, 8th of January 2024 IOT747 visiting CES with new LE Audio Demos Do you want exclusive access to the next generation of mind-blowing Bluetooth LE Audio technologies at CES 2024? With IOT747, you can immerse yourself in a world of awe-inspiring demos, visionary concepts, and cutting-edge solutions that will shape the future. We’ll - [Sonical partners with IOT747 to deliver its Headphone 3.0 platform targeted at High-End Audio manufacturers](https://www.iot747.com/866/) - Cambridge, 30th of May 2023 Sonical partners with IOT747 to deliver its Headphone 3.0 platform targeted at High-End Audio manufacturers Sonical develops a manufacture a hardware platform (Headphone 3.0) targeted at high-end Audio manufacturers. Headphone 3.0 supports UWB and Bluetooth aptx and aptx-HD for high-end wireless connectivity with integrated Cosmos OS. Cosmos OS allows for - [IOT747 Showcasing IDC747 Music Transmit at Munich High End](https://www.iot747.com/iot747-showcasing-idc747-music-transmit-at-munich-high-end/) - Cambridge, 27th April 2023. We're heading back at the HighEnd Munich Audio in May and are excited to connect in person! Contact us at marta@iot747.com to book a meeting and see our modules in action. Bluetooth module capable to Stream Music to Headsets Meet us to see the IDC747 Streaming music to Headsets or Wirless - [IOT747 at Embedded World on 14-16 March](https://www.iot747.com/iot747-at-embedded-world-on-14-16-march/) - Cambridge, 24th January 2023. IOT747, a Cambridge based leading supplier of wireless modules and solutions will be at Embedded World on 14-16 March Contact us at info@iot747.com to schedule a meeting or come talk to us at our distributors booths. IOT747 is the leading provider of Bluetooth Audio modules with the IDC747 range of modules - [IOT747 at Electronica in Munich on 15-18 November](https://www.iot747.com/iot747-at-electronica-in-munich-on-15-18-november/) - Cambridge, 17th October 2022. IOT747, a Cambridge based leading supplier of wireless modules and solutions will be at Electronica on 15-18 Novembre. Contact us at info@iot747.com to schedule a meeting or come talk to us at our distributors booth at C3.538 and C3.141. IOT747 is the leading provider of Bluetooth Audio modules with the IDC747 - [IOT747 Releases the IDC737 Bluetooth Audio Module with External Antenna](https://www.iot747.com/iot747-releases-the-idc737-bluetooth-audio-module-with-external-antenna/) - Cambridge, 11th February 2022. IOT747, a Cambridge based leading supplier of wireless modules and solutions are pleased to announce the release of the new IDC737 Bluetooth® module. IDC737 incorporates the newest range of Qualcomm® chips and is therefore more performant, easier to supply and 40% more cost competitive than the IDC707 that is used worldwide - [IOT747 Releases IDC747 Bluetooth Audio Module with Integrated Antenna](https://www.iot747.com/iot747-releases-idc747-bluetooth-audio-module/) - Cambridge, 21st January 2022. IOT747, a Cambridge based leading supplier of wireless modules and solutions are pleased to announce the release of the new IDC747 Bluetooth® module and accompanying IDC747-KIT Development Kit. IDC747 incorporates the newest range of Qualcomm® chips and is therefore more performant, easier to supply and 40% more cost competitive than the - [IOT747 IS RECRUITING](https://www.iot747.com/iot747-is-recruiting/) - The Internet of Things (IOT) is now is at a similar point to when smartphones first launched. A host of technologies are uniting to transform the way we collect and process data. The emergence of big data, cloud technologies, smartphone adoption and an explosion of data capture suddenly enable data to be linked together and - [IOT747 Releases IDC707 Bluetooth Audio Module](https://www.iot747.com/iot747-releases-idc707-bluetooth-audio-module-2/) - Cambridge, 17th April 2021. IOT747, a Cambridge based leading supplier of wireless modules and solutions are pleased to announce the release of the new IDC707 Bluetooth® module and accompanying IDC707-KIT Development Kit. IDC707 is the first of the IOT747 module range to incorporate the Qualcomm® chips providing users with optimum performance and superior quality sound. - [IOT INDUSTRY TO GROW BY 25% CAGR](https://www.iot747.com/iot-industry-to-grow-by-25-cagr/) - According to the latest IOT report from Fortunes Business insight, the IOT industry will grow by 25% CAGR from 2019 to 2026. This is higher than any other industry we have seen. The IOT revolution has just started! Here is what is says: 'The global internet of things (IoT) market was valued at US$ 190.0 - [IDC777 LC3 Auracast and Classic Bluetooth Released](https://www.iot747.com/idc777-lc3-auracast-and-classic-bluetooth-released/) - Cambridge, 21st January 2024. IOT747, a Cambridge based leading supplier of wireless modules and solutions are pleased to announce the release of the new IDC777 Bluetooth® module and accompanying IDC777-KIT Development Kit. IDC777 incorporates the newest range of Qualcomm® chips incorporating Classic Bluetooth and low latency LC3 LE Audio Auracast, Snapdragon Sound, cutting edge features - [IOT747 and RFcreations collaborate to deliver the most comprehensive LE Audio devices](https://www.iot747.com/iot747-and-rfcreations-collaborate-to-deliver-the-most-comprehensive-le-audio-devices/) - Cambridge, 12th of March 2024 IOT747 and RFcreations collaborate to deliver the most comprehensive LE Audio devices. RFcreations is a core team of highly skilled and knowledgeable, professional engineers with decades of experience across the design and development of RF, digital hardware, embedded, protocol stacks and UI software. RFcreation vision is to create analysis and - [LE Audio: Should I include it in my new design?](https://www.iot747.com/le-audio-should-i-include-it-in-my-new-design/) - How should we read this chart from the Bluetooth SIG? This graph was produced from API Research for the Bluetooth SIG. We downloaded this with the team and were wondering how to read it. Here are our key take aways: It’s 4 years late! This chart is obviously quite old and obviously optimistic. As - [IOT747 releases ultra low latency 20ms Latency Mode](https://www.iot747.com/iot747-releases-ultra-low-latency/) - Cambridge, 15th of October 2024 Highlights: -New feature on the IDC777 for 20ms low latency Stereo -End to End experience for Audio sharing and Broadcasting IOT747 announced its new low latency feature for its ultra-low power module, the IDC777. The IDC777 is an optimised module which is dual-mode, combining traditional Bluetooth® wireless audio and the - [Join M2M Webinar and learn all about Auracast](https://www.iot747.com/join-m2m-webinar-and-learn-all-about-auracast/) - Join our partner M2M Webinar and learn all about Audio Bluetooth Low Energy and Auracast! Join our partner M2M Webinar - [IOT747 AT IOT TECH EXPO](https://www.iot747.com/iot747-at-iot-tech-expo/) - IOT747 at IOT Tech Expo Come and meet us at Internet of Things Expo in Silicon Valey on the 13 and 14 of November 2019 to hear the latest IOT news! IOT747 engineers are available to discuss your needs and projects. Book a meeting with an expert now at info@iot747.com. We look forward to seeing you ## Pages - [Home](https://www.iot747.com/) - IOT747 is a leading provider of BC127, Sierra Wireless BC127, IDC777 LC3 Auracast, Classic Bluetooth, Bluetooth 5.3, Feasycom Nordic Module, Bluegiga WT32 Bluetooth audio and data modules and solutions. - [Headsets](https://www.iot747.com/industrial-and-enterprise-headsets-2/) - The IDC777 Bluetooth Module for Enterprise, Tactical, & High-End Headsets The IDC777 is a high-performance, dual-mode Bluetooth audio module engineered for next-generation headset applications. It delivers the ultra-low power consumption, superior audio processing, and protocol flexibility required for demanding mission-critical and consumer environments. From rugged industrial communication and tactical security fields to audiophile-grade playback, the - [Assistive Listening](https://www.iot747.com/transportation/) - Assistive Listening & Public Infrastructure The IDC777 is a premium, dual-mode Bluetooth audio module engineered specifically for high-reliability hearing aid accessories and next-generation public infrastructure. Designed to seamlessly bridge legacy audio and cutting-edge Bluetooth LE Audio, the IDC777 empowers developers to deploy robust, accessible audio networks across transit systems, educational spaces, and commercial public announcement - [Audio](https://www.iot747.com/audio/) - Powering the Next Generation of Wireless Audio IOT747 is the strategic partner for brands building best-in-class audio solutions. From high-fidelity home systems to rugged outdoor gear, our technology is engineered to delight the most discerning audiophiles. Download our Audio Presentation. One Module. Infinite Possibilities. At the heart of our offering is the IDC777, the industry’s - [Push-To-Talk (PTT)](https://www.iot747.com/safety-and-security/) - Push-to-Talk (PTT) for Mission-Critical Security In the Push to Talk, Safety and Security sectors, communication failure is not an option. IOT747 provides the stability and longevity required for mission-critical systems, bridging the gap between established legacy infrastructure and the future of LE Audio. Please Download our Push-to-Talk Case Study for more details. Security and Link - [Industrial and Enterprise Headsets](https://www.iot747.com/industrial-and-enterprise-headsets/) - Premium Connectivity for Industrial & Enterprise Headsets IOT747 provides the high-performance foundation for the next generation of professional headsets. Whether designed for the quiet focus of an enterprise office or the high-decibel environment of an industrial site, our IDC777 module delivers the perfect balance of power efficiency and acoustic excellence. Engineered for High-Performance Audio Crystal-Clear - [Medical](https://www.iot747.com/medical/) - Precision Audio for Healthcare & Patient Care IOT747 is the trusted partner for medical device manufacturers and healthcare innovators. From high-fidelity diagnostic tools to mission-critical nurse call systems, our technology provides the clarity and reliability required in life-sensitive environments. Advanced Diagnostics & Communication High-Fidelity Audio Mapping: Our modules support flexible, point-to-point audio streaming, enabling digital - [Industrial](https://www.iot747.com/industrial/) - Industrial-Grade Connectivity for Rugged Environments IOT747 provides the robust, flexible communication backbone required for smart factories, warehouse logistics, and industrial monitoring. The IDC777 is specifically designed to meet the demands of harsh environments where data integrity and hardware longevity are non-negotiable. Versatile Data & Interface Support The IDC777 offers true "point-to-point" versatility, enabling simultaneous streaming - [Testimonials](https://www.iot747.com/testimonials/) - [Distributors](https://www.iot747.com/distributors/) - [Firmware](https://www.iot747.com/firmware/) - IDC747-DISKIT Manual, IDC747-Product Brief, IDC737-Datasheet - [Contact](https://www.iot747.com/contactus/) - [General T7Cs](https://www.iot747.com/termsandconditions/) - IOT747 General Terms and Conditions General Terms and Conditions Limited Warranty Shipment Policy Privacy Policy - [Private Policy](https://www.iot747.com/private-policy/) - Privacy Policy This privacy policy ("policy") will help you understand how Companydeep Ltd (trading under IOT747) ("us", "we", "our") uses and protects the data you provide to us when you visit and use www.iot747.com ("blog", "service"). We reserve the right to change this policy at any given time, of which you will be promptly - [User Videos](https://www.iot747.com/user-videos/) - [IOT747 LIMITED USE LICENSE AGREEMENT](https://www.iot747.com/iot747-limited-use-license-agreement/) - SOFTWARE AND DOCUMENTS DOWNLOADED OR VIEWED FROM IOT747 WEBSITE The use of the Deliverables, as defined herein, is exclusively governed by the terms of this limited use license agreement (the “Agreement”), dated and effective as of the Effective Date set forth below, by and between CompanyDeep Limited (“IOT747”), an English Limited company with its principal - [Terms of Use](https://www.iot747.com/terms-of-use/) - Terms of Use Legal Notice The following terms and conditions apply to all visitors of the Company Deep Limited ("IOT747") web site. By accessing this web site, you accept the following terms and conditions. IOT747 reserves the right to change these terms and conditions from time to time at our sole discretion and we - [Subscribe](https://www.iot747.com/subscribe/) - Email Subscriptions Get IOT747 News delivered to your inbox. Select the updates you'd like to receive and we'll make sure you stay on top of the very latest from IOT747. - [Software](https://www.iot747.com/software/) - IDC737, IDC747 Software - [Documents](https://www.iot747.com/documents/) - IDC747-DISKIT Manual, IDC747-Product Brief, IDC737-Datasheet - [IOT747 forum login](https://www.iot747.com/iot747-forum-login/) - [Company](https://www.iot747.com/support/) - [Player Embed](https://www.iot747.com/player-embed/) - [Open New Ticket](https://www.iot747.com/open-new-ticket/) - [My Tickets](https://www.iot747.com/my-tickets/) - [tickets] - [Submit Ticket](https://www.iot747.com/submit-ticket/) - [ticket-submit] - [Support Login](https://www.iot747.com/support-login/) - [Cookie Policy](https://www.iot747.com/cookie-policy/) - Cookie Policy What Are Cookies As is common practice with almost all professional websites this site uses cookies, which are tiny files that are downloaded to your computer, to improve your experience. This page describes what information they gather, how we use it and why we sometimes need to store these cookies. We will also - [Video Tag](https://www.iot747.com/video-tag/) - [Search Videos](https://www.iot747.com/search-videos/) - [Video Category](https://www.iot747.com/video-category/) - [Details](https://www.iot747.com/details/) - [Product Back](https://www.iot747.com/products/) - [Products](https://www.iot747.com/shop/) ## Forums - [IDC747 General Questions](https://www.iot747.com/forums/forum/product-discussion-idc747-bc127-sierra-wireless-bc127/) ## Topics - [PAIR_RSI causes "Panic" on AA3290D](https://www.iot747.com/forums/iot747-topic/pair_rsi-causes-panic-on-aa3290d/) - When trying to pair IDC777 to Samsung Galaxy Buds2 Pro with the new firmware AA3290D, PAIR_RSI always causes a reboot. This worked (some of the time) with firmware AA3272. The IDC777 is using the default config. PAIR_LE xx 0 --> PAIR_RSI xx --> OPEN xx BLE 0 --> OPEN xx UTX 0 0 ... worked - [IDC777 module on custom PCN - no UART resplies](https://www.iot747.com/forums/iot747-topic/idc777-module-on-custom-pcn-no-uart-resplies/) - Hi,I have an IDC777 BT module integrated on a custom host PCB that used to reply to full-duplex to all UART commands. For some unkown reason it no longer does, and also does not show up on the Communicator app "available devices" like other modules do (including the evaluation kit) ?!?Essentially booting up the IDC777 - [Multiple IDC767-1 update FW in parallel](https://www.iot747.com/forums/iot747-topic/multiple-idc767-1-update-fw-in-parallel/) - Hi, We are IC programmer company and we are studying to program/update FW with multiple IDC767-1 in parallel. We hope to do it through IDC767-1's UART interface. The IDC767-1 q'ty will be 1~48 with one PC and we have below questions, 1. Does the DFU SW support to control multiple IDC767-1 in parallel? 2. Does - [DB Generator Usage](https://www.iot747.com/forums/iot747-topic/db-generator-usage/) - I want to be able to read/write a simple GATT characteristic. The AudioAgent manual suggests i can use `BLE_SET_DB` to create a GATT table. The AudioAgent manual further suggests using `DB Generator` tool to create this table. I've downloaded DB generator from the iot747 website but there doesn't seem to be any accompanying documentation for how to - [Scope of VDD_PADS for UART/I2S](https://www.iot747.com/forums/iot747-topic/scope-of-vdd_pads-for-uart-i2s/) - Hi, I don't think my previous ticket was sent, I send it with my account. I'm using IDC777 with a MCU and a DSP and those components work with 1V8 signals. I understand that the module's VDD_PADS pin changes the working voltage of IOs. Could you confirm that if I put 1.8V on VDD_PADS pin, the UART - [IDC777](https://www.iot747.com/forums/iot747-topic/idc777/) - Need help to connect 3.5 audio jack to Auracast using BT Audio 4 Click Board (MIKROE-6685) Thanks Dav- Direct Phone:212-655-3120 - [Auracast OPEN failure.](https://www.iot747.com/forums/iot747-topic/auracast-open-failure/) - Module / firmware AudioAgent IDC777 V3.2.72 Build: 0400427b Bluetooth address 245DFC03C101 Manual reference: AAGENT-IDC777-V32xx. Broadcast source: standalone Auracast broadcaster, unencrypted, broadcast_id 0x123456, broadcast_name 24_7_Abba. What works — OPENANY connects and streams: OPENANY > OPENANY < PENDING < OPENANY_SCAN_OK < OPEN_OK 1A BRX1 DFAD02270C16 < LC3_BROADCAST_NUMBER_BIS 2 < LC3_BROADCAST_STREAM_CONNECT What fails — SCAN reports the broadcaster, - [HFP Codec Negotiation Failure](https://www.iot747.com/forums/iot747-topic/hfp-codec-negotiation-failure/) - Hello IOT747 Support, we are using an IDC777 module with AudioAgent firmware V3.2.72 in a custom embedded design (Teensy 4.1 as UART host, paired to an iPhone as HFP AG). The module is in HFP HF role only (no AGHFP). == Setup summary == Module connected via UART at 115200 baud. Configuration applied at startup - [Firmware Upgrade Query – V3.1.70 Rollback File Req](https://www.iot747.com/forums/iot747-topic/firmware-upgrade-query-v3-1-70-rollback-file-req/) - Hi IOT747 Support,I'm currently using an IDC777-1 module on a Mikroe BT Audio 4 Click board (MIKROE-6685), running AudioAgent V3.1.70 (build 0400427b).I'd like to upgrade to the latest stable firmware (AA3170D), but before doing so I'd like to have the V3.1.70 firmware file available as a rollback in case the upgrade causes any compatibility issues - [IOT777 power cycle in active HFP call](https://www.iot747.com/forums/iot747-topic/iot777-power-cycle-in-active-hfp-call/) - I'm noticing an issue where if I have an active HFP connection with audio streaming from the source (s) device, to the headset (h), abruptly power cycle the headset device, sometimes when I restart the HFP connection it will ring and succeed to connect but no audio will be playing.let me provide more details.. ```IOT747 Copyright 2022AudioAgent IDC777 - [Purchase of modules](https://www.iot747.com/forums/iot747-topic/purchase-of-modules/) - Hello, I am trying to buy a few of your aura cast modules apt x party mode . I need them working out of the box I would prefer not to have to mess with them hooked up to development software. I’m looking at linking amplifiers together for my diy audio portable speakers. Which product - [IDC767 Firmware updating using serial interface.](https://www.iot747.com/forums/iot747-topic/idc767-firmware-updating-using-serial-interface/) - Question: can the IDC767 be updated using the serial interface. I have performed a few updates using the Bluetooth and the IOT747 Communicator app on the iPhone. Using the serial interface would be used by our customers. We would send them the appropriate file (downloaded from your website).Thank you in advance. - [Questions about Broadcast](https://www.iot747.com/forums/iot747-topic/questions-about-broadcast/) - Hello, I am currently working on the IDC777 module (firware 3.2.63) and Broadcast mode. I have several questions:1) Is it possible to create a private broadcast stream with an A2DP source? I use the command "Broadcast on 2 1234" but I always get error 0x0013. It works fine with an I2S source ("Broadcast on 1 1234") and - [AA3263 Firmware Bug Report - Unicast TX Issues](https://www.iot747.com/forums/iot747-topic/aa3263-firmware-bug-report-unicast-tx-issues/) - Hi IOT747 Support, We are integrating the IDC777 module into a product using UART command control and have been testing the new AA3263 firmware (upgrading from AA3170). We've found a couple of issues with the unicast TX functionality that we'd like to report. Our configuration: - IDC777 module controlled via UART (115200 baud) - AUDIO=1 1 - [PB_PULL problems](https://www.iot747.com/forums/iot747-topic/pb_pull-problems/) - PB_PULL phonebook index mapping on AA32xx firmware with iPhone Hardware / Firmware Module: IDC777Firmware: AudioAgent V3.2.72 (AA32xx) / Build 0400427bManual reference: AAGENT-IDC777-V32xx (V2, July 2024)Host: Teensy 4.1 over UART @ 115200, ASCII modeConnected device: iPhone (iOS 18) Configuration SET PROFILES=ON 1 0 1 0 1 0 1 1 1 SET PROFILES2=1 0 SET HFP_CONFIG=ON ON - [Communicator App Issues](https://www.iot747.com/forums/iot747-topic/communicator-app-issues/) - Hi there, I am trying to understand why it is that the Communicator App on Android, isn't downloading Firmware. I have tried both Android on 5g and also using the WiFi to no avail. I've tried numerous phones, with no joy. I understand I can use the DFU using a computer, however in this instance - [Controlling IDC777-KIT from a Smartphone via Bluetooth Command Mode](https://www.iot747.com/forums/iot747-topic/controlling-idc777-kit-from-a-smartphone-via-bluetooth-command-mode/) - Hello, I was able to successfully connect the IDC777-KIT to my PC and use Hercules to send and receive command mode instructions. Now, I’m wondering if it’s possible to use the same commands from a smartphone. I tried using the Serial Bluetooth Terminal app, but the commands don’t seem to work. Is there any way - [cannot figure out the SSRD command](https://www.iot747.com/forums/iot747-topic/cannot-figure-out-the-ssrd-command/) - Hello, I am trying to set advertisement data using the SSRD command. When I attempt to set a packet of one byte, it seems to work: > SSRD 1 PENDING > A OK But when I try to set a packet larger than one byte, I get an error: > SSRD 2 PENDING > AB - [IDC777 KIT setup](https://www.iot747.com/forums/iot747-topic/idc777-kit-setup/) - Hello, I am attempting to use the IDC777 KIT. I have connected the IDC777 KIT to my laptop via USB and am using the Hercules software to verify that the command prompt (cmd) is functioning correctly (referencing the "IDC7x7: Kit Set-Up" guide). However, when I enter commands such as status or reset, I receive no - [IDC777KIT - AA3248D](https://www.iot747.com/forums/iot747-topic/idc777kit-aa3248d/) - Voice Quality Degradation (Mic Failure/Distortion) in Dual AG-HFP Mode (AA3248D) I observed after upgrading our IDC777-KIT to the latest AA3248D firmware. Module Configuration: Role: Audio Gateway (AG-HFP). Connection: Paired successfully with two distinct Bluetooth headsets (with microphones). Mixing: Enabled dual-channel mixing via MIX_AUDIO=OFF OFF ON OFF (2xAGHFP mixing). Observed Issue: Upon issuing the SCO_OPEN - [Setting advertisement data (SSRD)](https://www.iot747.com/forums/iot747-topic/setting-advertisement-data-ssrd/) - I would like to set advertising data for the IDC777. According to the AudioAgent manual, I can pass hexadecimal values as ASCII enclosed by curly brackets; however I never receive an OK. SSRD 1 PENDING {01} - [IDC747 SOFTWARE UPDATE](https://www.iot747.com/forums/iot747-topic/idc747-software-update/) - Hello, I am currently using the IDC747 chip and have been performing software updates using the IOT747 Communicator. Previously, during the software update process, I was able to select and use a firmware file named “IDC747-AAxxxx.bin” for updating the chip. However, today when I attempted the update, the IDC747-AAxxxx.bin firmware file was no longer visible - [Firmware version change log](https://www.iot747.com/forums/iot747-topic/firmware-version-change-log/) - I see that the latest official version of the IDC777 firmware available on the IOT747 website is AA3170D. If I upgrade the firmware using the Communicator Android app, there are newer versions available such as AA3189 and AA3225. I am curious what changes were implemented in these newer versions. Is there a change log or - [IDC777 Autoconnect Broadcast](https://www.iot747.com/forums/iot747-topic/idc777-autoconnect-broadcast/) - Hi, I am attempting to setup a connection between two IDC777 modules via Auracast broadcast. I can successfully connect the two modules, and audio output is working well. However, I'm struggling to configure the autoconnection mode. On the receive module, my attempts to set the AUTOCONN_BCAST results in an "ERROR 0x0013" response. For example: ` - [audio stream down while ble link is up](https://www.iot747.com/forums/iot747-topic/audio-stream-down-while-ble-link-is-up/) - I am testing the range between two iot747 devices, I am tryign with LE Unicast UTXV and UTXM, At a certain distance the audio stream is down but when I decrease the distance between the two devices the audio stream doesn't recover, I am not receiving any error message on the terminal and if I - [IDC777 unicast UTXV sampling rate](https://www.iot747.com/forums/iot747-topic/idc777-unicast-utxv-sampling-rate/) - Hello everyone, I am working with two IDC777, I established unicast voice LE connection since I need a bidirectional audio stream(is this my only option?), But I noticed that the sampling rate is 32K, but I couldn't change it even after using UCAST_CONFIG, Is there anyway to increase the sampling rate to 48K on a - [LE Audio ear buds / hearing aids - CSIP not supported?](https://www.iot747.com/forums/iot747-topic/le-audio-ear-buds-hearing-aids-csip-not-supported/) - I'm trying to pair Signia IX hearing aids with the IDC777. The hearing aids support LE Audio and show up when scanning. The first one pairs, but quickly disconnects. The second one fails: SCAN 5 OFF 0 [...] SCAN 0 D487CC1F4956 1 00 -88db SCAN 0 7A6C89FB669B 1 00 -94db [...] - [Feature request: Auracast at startup](https://www.iot747.com/forums/iot747-topic/feature-request-auracast-at-startup/) - Can you please add a feature so that the module can be configured so that it automatically starts Auracast Tx after power-up? Many thanks! - [4 Audio Streams](https://www.iot747.com/forums/iot747-topic/4-audio-streams/) - Can the IDC777 stream 4 Audio streams at the same time? Is it done with only on module? - [Forum dead?](https://www.iot747.com/forums/iot747-topic/forum-dead/) - It sure looks that way.... - [Upgrade to AA3121D failed](https://www.iot747.com/forums/iot747-topic/upgrade-to-aa3121d-failed/) - I tried to upgrade my IDC777 with the latest firmware (AA3121D). Unfortunately it fails immediately after clicking the 'Start Flash' button in the Serial DFU app (version 1.15). I'm getting the following error message: Error occurred: invalid literal for int() with base 10: 'ID' I would appreciate any help! - [Using cVc on IDC devices](https://www.iot747.com/forums/iot747-topic/using-cvc-on-idc-devices/) - Hello, We were using CVC with BC127 before and we would like to keep on using this feature as it helps a lot with quality of the input audio. Is this information here up to date? https://www.iot747.com/manuals/rafik/out/bluetooth_profiles/hfp.html?highlight=cvc#hfp Ie. to get a CVC license, the solution is to go over Blue Creation / Sierra Wireless? Do - [UNICAST from on IDC777](https://www.iot747.com/forums/iot747-topic/unicast-from-on-idc777/) - I'm evaluating the IDC777 and need to know if it's possible to open a unicast connection to my creative zen headphones. My setup: 1)IDC777 analog input audio 2)IDC777 is paired with the create zen headphones (00023CAA342F) 3)OPEN 00023CAA342F UTXM PENDING OPEN_OK 14 BLE 00023CAA342F PAIR_OK_LE 00023CAA342F OPEN_OK 18 UTXM 00023CAA342F 4)MUSIC 18 PLAY OK 5)STATUS - [Firmware Update Not Working](https://www.iot747.com/forums/iot747-topic/firmware-update-not-working/) - Hi - I'm using the IDC777 Dev kit running firmware V3.0.46. I'd like to update the firmware to the latest so that the commands match documentation and hopefully the scanner apps for Android and iOS will let me send and receive data. I've tried to use communicator for Android and iOS to update firmware, but - [BC127 and IDC747/777](https://www.iot747.com/forums/iot747-topic/bc127-and-idc747-777/) - Hello, I have an existing project depending on BC127/BC127-EXT. Could you comment on the compatibility of different IOT747 modules? I understand that IDC737/747 would be perfect, but they're discontinued, right? Does it mean that I need to redesign my PCB for IDC777? What about software compatibility? Thanks a lot, Marcin - [IDC777 I2S issue using UTXV](https://www.iot747.com/forums/iot747-topic/idc777-i2s-issue-using-utxv/) - Dear IOT747 people, we are currently testing the IDC777 module for one of our new products. Unfortunately we are facing an issue. The following scenario: An IDC777 module is installed in a prototype and connected via I2S. An IDC777 Eval Board serves as the counterpart. Our prototype works as the host, the Eval Board (analog - [IDC747 create custom GATT profile](https://www.iot747.com/forums/iot747-topic/idc747-create-custom-gatt-profile/) - I've been trying to use your DBGenerator program to create my own GATT profile but the PC software keeps crashing on me (Most often when pressing Add char). I might have entered data in the wrong format or something, hard to know as there seems to be no manual and no instruction video. Any chance - [IDC747 regulated voltage output](https://www.iot747.com/forums/iot747-topic/idc747-regulated-voltage-output/) - Hi. I'm looking to connect an external CPU to the IDC747 and was hopping to use the modules SMPS output to power the CPU (1.8v) and maybe an externa codec. Is there a way to get that from the module? Or at least a signal that is high (or low) when the module is powered - [IDC747 battery charging](https://www.iot747.com/forums/iot747-topic/idc747-battery-charging/) - According to the IDC747 datasheet a thermistor is needed in order to use the built-in battery charging. I can't find what pin to connect it to and I can't find any data on what kind of component to use. Is it built into the module? Any info you can share? Image from manual - [questions of IDC777](https://www.iot747.com/forums/iot747-topic/questions-of-idc777/) - Hello, There are some questions i want to ask. I am evaluating Bluetooth solutions for our product. There are several requirements. 1.Can CIS and BIS mode work at same time? if not, can the two work mode can be switch freely? 2.Can it receive A2DP(class) audio signal or le audio and relay it to another - [Fastest BLE datarate?](https://www.iot747.com/forums/iot747-topic/fastest-ble-datarate/) - Hi all, Looking to use the IDC747 as a source for both headphones (classic) and data (BLE). Was wandering what experience people have had with data rates? Ideally, I'll be looking to push this towards 100k bit/s Thanks - [I have three inquiries as follows](https://www.iot747.com/forums/iot747-topic/i-have-three-inquiries-as-follows/) - Hello, I am Jaytee KIM from the South Korean company Osteosys (jaytee@osteosys.com). I have three inquiries as follows: 1. Regarding iOS Connection with IDC747 Model: I understand that enabling BLE profiles on the BC127 model should allow connections from iOS devices. However, IDC747 does not appear in the search list on iOS devices with the - [Automatic connection](https://www.iot747.com/forums/iot747-topic/automatic-connection/) - I would like to use the module in "stand-alone" mode: no PC or microcontroller connected to the serial port. The module should receive audio from an analog input and send it automatically to the connected headset. It is possible to make the module automatically connect to the first (nearest?) discoved device? - [Aptx and Aptx-HD](https://www.iot747.com/forums/iot747-topic/aptx-and-aptx-hd/) - Does the IDC747 support Aptx and Aptx-HD? - [Source and Sink](https://www.iot747.com/forums/iot747-topic/source-and-sink/) - We have an application where our amplifier needs to be a receievr (receive music from a phone) or transmit (transmit music to a bluetooth headset). Can the IDC747 do both? - [WT32](https://www.iot747.com/forums/iot747-topic/wt32/) - We used the Bluegiga WT32 and need to find a replacement. Is the IDC747 compatible with the WT32? - [BC127 and IDC747](https://www.iot747.com/forums/iot747-topic/bc127-and-idc747-2/) - Can I use IDC747 as a drop-in replacement of the BC127? What are the limitations? - [Connecting AGHF](https://www.iot747.com/forums/iot747-topic/connecting-aghf/) - I changed profiles to: PROFILES=ON 0 1 1 0 1 1 1 or PROFILES=ON 0 1 0 0 0 0 0). After an INQUIRY I found my HFP device: INQUIRY 70BF92F3DE2C "XXXX" 240404 -62 dBm and used OPEN 70BF92F3DE2C AGHFP to establish a connection. But it always resulted in: ERROR 0x0011 - [No Signal on I2S](https://www.iot747.com/forums/iot747-topic/no-signal-on-i2s/) - Hello, We are using the IDC7x7 DK1 and we connected our logic analyzer on the PCM/I2S/SPDIF header next to the module. I configured reset the module to: AUDIO=1 1 AUDIO_DIGITAL=0 44100 64 00100100 Unfortunately we can't see any signal on the I2S data and clock lines after an HFP(SCO) connection is established. After switching back - [A2DP Source](https://www.iot747.com/forums/iot747-topic/a2dp-source/) - I have a DISKIT IDC747 and want to stream music to a Beats headset. There is a configuration called PROFILES but I can't connect. I get ERROR 0x011. - [BC127 and IDC747](https://www.iot747.com/forums/iot747-topic/bc127-and-idc747/) - Is IDC747 pin to pin compatible with the older BC127? - [We are looking for a solution to replace a BC127 or WT32i.](https://www.iot747.com/forums/iot747-topic/we-are-looking-for-a-solution-to-replace-a-bc127-or-wt32i/) - We are looking for a solution to replace a BC127 or WT32i. Need something that has UART, PCM Audio (slaved @ 2048 kHz. The other device will provide the clock) , external antenna hookup , and supports Bluetooth Hands Free Audio Gateway Profile. ## Replies - [](https://www.iot747.com/forums/reply/2573/) - Spam - [](https://www.iot747.com/forums/reply/2536/) - spam - [](https://www.iot747.com/forums/reply/2533/) - Please test the latest firmware as some fixes were done after the latest UPF. - [](https://www.iot747.com/forums/reply/2502/) - Hi Mike, It seems that you have faulty hardware. You would need to check all your hardware and compare to the DISKIT. The DISKIT and DISKIT schematics have to be used as a reference. the IDC777 cannot go into bricked mode. If the voltage applied is not stable and dips below 3V, it can end - [](https://www.iot747.com/forums/reply/2503/) - Hi,The IDC777 ins installed on a cutom board with PIO_3 left floating by default as it was not being used for anything.So if I ensure this pin is tied high, then power-up and boot the module, it will do the same as the RESETORE command ? Is this correct ?So it won't actually return to some - [](https://www.iot747.com/forums/reply/2504/) - Ok, thanks it turns out there was a H/W issue on the board I was using. Replacing it solved the issue. - [](https://www.iot747.com/forums/reply/2505/) - I have another quick question Ash, regarding some notifications I'm receiving, namely :CALL_RINGING HFP 13CALL_INCOMING HED HFP 7CB37BFB74E3 IDLEWhat is the purpose of having both as it appears they both notify an incoming call that one has to act on ?They appear to be in sequence.Also I am not identifying the "HED" tag attached to the - [](https://www.iot747.com/forums/reply/2506/) - Hi Mike, What firmware are you using? IOT747 Support - [](https://www.iot747.com/forums/reply/2507/) - It would be 3.1.70 or something similar. - [](https://www.iot747.com/forums/reply/2508/) - Should this Tag "HED" not be part of, or have anything to do with the IDC777 firmware, it could be a possible glitch on my side that occurs (rarely) and that I would need to confirm. But if it is something that is part of the IDC777 firmware then it may be necessary to know - [](https://www.iot747.com/forums/reply/2509/) - Hi Mike, CALL INCOMING and CALL_RINGING are 2 separate notifications from Bluetooth. We show them both if you need them. For HED, always compare with the IDC777-DISKIT if you think there is an issue. the IDC777-DISKIT always serves as a reference. Also, on the newer firmware versions, we display also the number and caller name - [](https://www.iot747.com/forums/reply/2510/) - Ok, that was a bug in the code. "HED" showed up as a phantom string.Other thing I notice with the current code is that CALL_END is no longer sent. It appears that CALL_IDLE is now what is being notified after a SCO_CLOSE.Is this corrent ?Thanks, Mike - [](https://www.iot747.com/forums/reply/2511/) - Hi there Ash,How are you ?I have a question for you regarding the capability of the IDC777 Bluetooth stack implementation with regards to the simultaneous use of the HFP and AGHFP profiles with phones and headsets.Is this handled reliably on the IDC777 or should one assume it is better to not confuse the two profiles and to - [](https://www.iot747.com/forums/reply/2512/) - Hi Mike, IDC777 can be HFP or AGHFP but not both at the same time. This is on the Roadmap but we don't have a date for the release. IOT747 Support - [](https://www.iot747.com/forums/reply/2513/) - Ok, so that is good to know. We'll need to ensure one or the other is selected by a button toggle or similar ... thanx for the confirmation. - [](https://www.iot747.com/forums/reply/2514/) - Hi, can you confirm, is it still necessary to do a RESET after a WRITE in the most recent firmware updates ?Is the effect the same if after the WRITE, there is a H/W Reset instead of a software RESET ?Thanks, Michael - [](https://www.iot747.com/forums/reply/2515/) - Hello Mike, 1) For some configuration, you need to do a RESET for it to take place (For example AUDIO). For otehr, you don;t need to RESET. The manual tries to let you know whicch ones need RESET. But usually, it is better to RESET for safety. 2) Once you do a WRITE, it writes - [](https://www.iot747.com/forums/reply/2516/) - Hi, ok, that's good, since we have a special case where I need to change the CONNECTABLE state to OFF before we do a reboot or a switch off of the PCB. So we can avoid doing a software reset and then another hardware reset in a row... Just checking, but from what I can - [](https://www.iot747.com/forums/reply/2500/) - Thanks for the information and it help us to evaluate the suitable solution. - [](https://www.iot747.com/forums/reply/2499/) - Hi Bruce, The Windows DFU tool does not allow parallel processing. However, if you sign an NDA (Our NDA is under Support/Documents at https://www.iot747.com/download/iot747-standard-nda-form/), we can share the source code of the python script that does the DFY over UART. Usually we share with customers so they can integrate on their host processor. But in - [](https://www.iot747.com/forums/reply/2488/) - Also, I've noticed that if i try and send `BLE_SET_DB XX` (where XX is any value) i'm getting an `ERROR 0x0011` response. looking at the error codes it looks like that means `Command not allowed with the current configuration`. what 'mode' do i need to be in? how can i setup a state in order to recieve - [](https://www.iot747.com/forums/reply/2489/) - Hi Draven, BLE_SET_DB does not work with IDC777. However, it depends what you want to do: 1) If you would like to act as BLE_Central (Client) and Connect and Read from a Server (BLE Heart Rate, BLE button, BLE sensor), you don;t need BLE_SET_DB and you can search for services, characteristics and read/write using the BLE_xxx - [](https://www.iot747.com/forums/reply/2490/) - Ash,Thanks for the quick reply. I want the IOT777 to act as a GATT server. I want a phone to be able to connect and read/write a specific characteristic on the IOT777 module. Specifically i'm trying to use it to have a phone app write a passcode for a secure Broadcast LE audio stream. I don't want - [](https://www.iot747.com/forums/reply/2491/) - Hi Draven, Yes, it will be the same firmware but with your Database. You will need a Support pack4 to do this. Otherwise, why don't you use the SEND/RECV command over BLE or SPP? Since you are building your App, this shoudl be easier. IOT747 Support - [](https://www.iot747.com/forums/reply/2492/) - How does BLE SEND/RECV work? I'm only familiar with BLE GATT/GAP.The AudioAgent manual suggests using IOT747 Scanner to demonstrate SEND/RECV. however i downloaded this app and it seems to only provide logs?I used a generic BLE scanner app (SI Connect) to scan and connect to the device. There seems to be a large GATT table - [](https://www.iot747.com/forums/reply/2493/) - How does BLE SEND/RECV work? I'm only familiar with BLE GATT/GAP.The AudioAgent manual suggests using IOT747 Scanner to demonstrate SEND/RECV. however i downloaded this app and it seems to only provide logs?I used a generic BLE scanner app (SI Connect) to scan and connect to the device. There seems to be a large GATT table - [](https://www.iot747.com/forums/reply/2494/) - Please see the video at: https://www.iot747.com/aiovg_videos/idc747-connect-an-android-app/ - [](https://www.iot747.com/forums/reply/2495/) - Ash, Thank you for the video reference. I was able to verify send/recieve with the scanner app. I found the source code with a readme detailing exactly which characteristic was being used to exchange data which i can use for my app implementation. This should work for our application. Thank you! - [](https://www.iot747.com/forums/reply/2486/) - Yes, that is correct. Thanks. IOT747 Support - [](https://www.iot747.com/forums/reply/2484/) - Hello Dav, Thanks for the call. Unfortunately, this is not a board we produce, you would have to discuss directly with MIKROE. As they produce and sell this board. The DEV KIT we produce is the IDC777-DISKIT (https://www.digikey.com/en/products/detail/iot747/IDC777-1-DK/21764288?s=N4IgTCBcDaIJIBEDCB2NIC6BfIA) and this is the one that has a 3.5mm Jack. Sorry about the confusion. IOT747 Support - [](https://www.iot747.com/forums/reply/2482/) - Of course the solution presented itself five minutes after raising this ticket. The nRF5340 EVK I am using as a test auracast server is unable to generate a truly public address as it has no assigned MAC and is therefore advertising a private but non-rotating BT address in the auracast advertisement. I had not spotted - [](https://www.iot747.com/forums/reply/2480/) - Hello Guido, This is strange as enabling this should just mean the AT commands are displayed via UART, but shouldn’t be changing behaviour otherwise. We tried with an iPhone SE and we could not replicat ethe issue. See below the UART log. 1) With enable_at_notifications=ON, does the module still respond to +BCS internally on the HFP link, - [](https://www.iot747.com/forums/reply/2473/) - Hi Denis, It seems like there is a typo in your email. You are upgrading from what firmware version to AA3170D. But there is no issues, we suggest you upgrade to AA3170D or even the latest firmware for more functionalities. If the firmware was working on one board, an upgrade will still work on that - [](https://www.iot747.com/forums/reply/2456/) - Hi Draven, Can you please: 1) Explain why you do this: 2. on the source device, i'm issuing "DISCOVERABLE OFF" followed by "DISCOVERABLE ON". for some reason this puts the device back into a 'PAIR_PENDING' state. i'm not sure if there is an eaiser way to do this? 2) If you don't do Point2, can you - [](https://www.iot747.com/forums/reply/2457/) - 1)if i DON'T cycle the discoverable state, when I try send the following command 'OPEN ... AGHFP', the source device will show 'PENDING' on the UART but hang forever (despite the other paired module on and in range)...The Command manual for IOT777 suggests that when sending the 'OPEN' cmd the device should be in (Pairing - [](https://www.iot747.com/forums/reply/2458/) - Hello, Thanks for the details. The device shoudl be Paired to be be able to OPEN a connection. But it should not be in Pairing Mode. You can try this by sending DISCOVERABLE OFF. And then OPEN and it should work. As long as you do the CLOSE 13 END. Could you confirm? Also, could you - [](https://www.iot747.com/forums/reply/2459/) - It seems you are right about pairing mode.. I do not need to change the discoverable state. I was under the impression that I needed to re 'OPEN' every time the connection was lost. However, it looks like the source will automatically re-'OPEN' after the headset powers back on. (yay!)I'm still noticing the same failure though - [](https://www.iot747.com/forums/reply/2460/) - Yes, it Autoconnects because you have: SET AUTOCONN=1 xx. If you have AUTOCONN set, you shoudl not send the OPEN command. Because the IDC777 is already trying to open the connection. And if you also send an OPEN command, you are conflicting with it. Maybe that is causing the issue. Can you try the same - [](https://www.iot747.com/forums/reply/2461/) - Also, please check with the VOLUME command that your VOLUME is not simply at 0. Thanks. IOT747 Support - [](https://www.iot747.com/forums/reply/2462/) - Hi Draven, I tried with the latest firmware. It had the 2 x IDC777-DISKIT with default configuration except: 1) Borad1: transmitter. On the AGHFP. I changed PROFILES=ON 0 1 0 1 1 1 1 2) Board2: receiver. On the HFP (headset), I changed AUTOCONN=1 3 I kept plugging/unplugging power and then doing Call 12 incoming on Board1 and Call 13 answer on - [](https://www.iot747.com/forums/reply/2463/) - My apologies. You were correct. I forgot to disable autoconn on the headset which is why i didn't have to re-open. I've now restored both headset and source and made just the configuration change you suggested: 1) Borad1: transmitter. On the AGHFP. I changed PROFILES=ON 0 1 0 1 1 1 1 2) Board2: receiver. - [](https://www.iot747.com/forums/reply/2464/) - Hi Draven, I have tried many times with the new firmware and I can't replicate. Anyway, if you found a workaround then it is all OK. If you have trouble in the future, please try on a DISKIT with the latest firmware, minimum CONFIG changes and clear steps to replicate and I will try again. - [](https://www.iot747.com/forums/reply/2454/) - Hi, They run at 3V3. You can configure them to boot for party mode without any host. The latest videos at www.iot747.com show this. IOT747 Support - [](https://www.iot747.com/forums/reply/2452/) - Hello Anthony, Yes, the IDC777 can be updated via Serial Interface. You can test it with a DISKIT using AA-Srial-DFU (https://www.iot747.com/download/idc747-aa-flasher-2/) and one of the '.bin' files from the firmware section (Please use .bin, not the .xuv files which are for the AA-Flasher). We can also send you the source code (pythong script) under NDA - [](https://www.iot747.com/forums/reply/2438/) - Hi Loris, 1) We have implemented the feature to encrypt Auracast with BROADCAST ON 2. But I will ask. 2) We have on our list of required features a feature to prioritise Auracast announcements. But I don't have a date for it yet. I will put the request for these features. Could you let me know when is - [](https://www.iot747.com/forums/reply/2439/) - Hello Loris, If interested in the announcements, please find a draft release: AA3267D.xuv There is a new Command called ANNOUNCE (For the transmitter) and a new CONFIG called BCAST_PRIORITY (for the Receiver). - [](https://www.iot747.com/forums/reply/2440/) - Hello, We are very interested in these options. Is it possible to test these commands on our own evaluation board ? Do I need to update the firmware ? Thank you for your help. Loris - [](https://www.iot747.com/forums/reply/2441/) - Hello, Sorry, I have finally found the software to program the memory using the file you sent me. Thank you. Loris - [](https://www.iot747.com/forums/reply/2442/) - Attached draft Manuel with new command and config. IOT747 Support - [](https://www.iot747.com/forums/reply/2443/) - Hello, Thank you for the document. The feature works very well and meets our needs. Loris - [](https://www.iot747.com/forums/reply/2444/) - Hello, I was able to carry out several tests using these new commands. When making an announcement, is there a way to broadcast the same audio source to all four subgroups (e.g. a voice announcement that should be heard on all receivers) ? Or select the audio source corresponding to the advert? (e.g. subgroup 1) ? - [](https://www.iot747.com/forums/reply/2445/) - Hello, Could-you please explain the scenario with a Diagram and also a UART log? IOT747 Support - [](https://www.iot747.com/forums/reply/2446/) - The idea is to be able to broadcast a general announcement over each stream to avoid having to modify the subgroups. When the broadcaster issues the ‘Announce’ command, the broadcast takes priority (works perfectly) and mutes the audio on each stream (music). The announcement is sent via I2S to the IDC777 module, and I would - [](https://www.iot747.com/forums/reply/2447/) - Hi Loris, Are you streaming 4 Mono Audio Streams? And each subgroup is listening to one of the Audio Streams? Something like: https://www.iot747.com/aiovg_videos/idc777-auracast-4-different-streams-at-the-same-time/? We have not tested this configuration. But normally, it should work. So if you do Announce, the BIG (all subgroups) has priority and it might work. What do you observe? Please send your UART - [](https://www.iot747.com/forums/reply/2448/) - Hi, Yes exactly that setup. If i do Announce, all subgroups has priority over A2DP. And each one plays the audio (music) associated with that subgroup. It works well, just as you expected. But my aim would be to be able to broadcast an announcement (voice announcement) across all four subgroups at the same time. I - [](https://www.iot747.com/forums/reply/2449/) - Hi Loris, I think the Announcement is a flag for all the subgroups but I will check when the engineer is back from the holidays. That send, you know that you can use the SEND 'subgroup1-P' for example (or any character) and this is received by all the receivers as (Subgroup1-P). Then your host can - [](https://www.iot747.com/forums/reply/2450/) - Hi, Yes thank you, I'm trying to find a solution using the “SEND” command. I think that might work. Loris - [](https://www.iot747.com/forums/reply/2436/) - Hello, I'm sorry for the delay. I think the mistake is PROFILES=ON 0 1 1 1 1 1 1. This is probably causing the Panic, because you can either be a transmitter or a receiver but not both. Try with SET PROFILES-ON 0 1 0 1 1 1 1 for Tx or SET PROFILES=ON 1 0 1 - [](https://www.iot747.com/forums/reply/2433/) - Hi Guido, There is a typo in the document t. It should be like the below: : (Phonebook entry) 1-(Default) Main phonebook folder2-Incoming call history3-Outgoing call history4-Missed calls history5-Combined call history Any other value will return the Main phonebook folder. Also, we do receive inputs on the iPhone for all values. We use the commadn pb_pull 1c - [](https://www.iot747.com/forums/reply/2325/) - Spam - [](https://www.iot747.com/forums/reply/2282/) - SPam - [](https://www.iot747.com/forums/reply/2222/) - Spam - [](https://www.iot747.com/forums/reply/2219/) - spam - [](https://www.iot747.com/forums/reply/2216/) - spam - [](https://www.iot747.com/forums/reply/2196/) - spam - [](https://www.iot747.com/forums/reply/2194/) - SPam - [](https://www.iot747.com/forums/reply/2192/) - spam - [](https://www.iot747.com/forums/reply/2144/) - Thank you for the reply. I do have one suggestion. Could we perhaps within the communicator app have the option to select a local file already downloaded from your server. You could put your own checks to make sure the firmware being used is Your own code, but it negates the constant polling to your - [](https://www.iot747.com/forums/reply/2143/) - Thanks. Yes, the server was down and is back up - [](https://www.iot747.com/forums/reply/2141/) - checked today and the communicator app suddenly started working again. - [](https://www.iot747.com/forums/reply/2109/) - spam - [](https://www.iot747.com/forums/reply/2078/) - Hi, This is not implemented yet. It will be implemented in the future. But if you have a Host, there is a workaround: 1) You send from the App the command (For example XXXX). The IDC777 will send tot he host RECV 14 XXXX. 2) Then from your host you send on the UART the - [](https://www.iot747.com/forums/reply/2069/) - Thank you, writing a carriage return after each byte works. - [](https://www.iot747.com/forums/reply/2068/) - It depends on your Terminal. Try sending between characters. - [](https://www.iot747.com/forums/reply/2063/) - Hello, I was able to successfully connect the IDC777-KIT to my PC and use Hercules to send and receive command mode instructions. Now, I’m wondering if it’s possible to use the same commands from a smartphone. I tried using the Serial Bluetooth Terminal app, but the commands don’t seem to work. Is there any way - [](https://www.iot747.com/forums/reply/2061/) - Hello, Please make sure that you have set up the End Of Line correctly. The same as what is on the SET UP Line. So you send a Carriage Return when you type ENTER. Please send an email to info@iot747.com and we can organise a 15m training and set up. Or file a ticket support - [](https://www.iot747.com/forums/reply/2059/) - Please check Support Ticket #641805 Thanks! - [](https://www.iot747.com/forums/reply/2057/) - Hello, We looked and there are no changes between AA3240D and AA3248D that would explain this. 1) Could you please redo the tests with AA3240D on the same hardware? 2) Can you send us the complete Log of UART commands and CONFIGs? Thanks. IOT747 Support - [](https://www.iot747.com/forums/reply/2054/) - Thank you for the response, I've tried sending a singular ASCII character and it works! However, I cannot send raw data. e.g. sending a byte with the value of 0x01 does not work. I am trying to set the manufacturer ID. - [](https://www.iot747.com/forums/reply/2050/) - Hello, The {} in the manual means indicates bytes. For example {07}{09}{4D} indicates bytes with values 0x07, 0x09, 0x04D are sent. It does not mean that you have to send curley brackets. It means yo usend the commands SRRD 1 (Carriage Return) and then you just send aan ascii character. Hope this clarifies. IOT747 Support - [](https://www.iot747.com/forums/reply/2017/) - Hi, We uploaded the file again but please update if needed as we will remove it shortly. All designs are now with the IDC777. We recommend to move to the IDC777 which has Auracast and LE Audio and many new other features. It also has many fixes compared to the IDC747 and is well supported. - [](https://www.iot747.com/forums/reply/2005/) - Hi, We should release a new firmware AA32xx before the end of the year with a new UART manual which will contain the log. The new firmware will have new features (HID, PBAP, MAP profiles are on the roadmap), PCM TDM interface, ability to re-Auracast, new commands and configs to open or reconnect to any - [](https://www.iot747.com/forums/reply/2004/) - Hi, We should release a new firmware AA32xx before the end of the year with a new UART manual which will contain the log. The new firmware will have new features (HID, PBAP, MAP profiles are on the roadmap), PCM TDM interface, ability to re-Auracast, new commands and configs to open or reconnect to any - [](https://www.iot747.com/forums/reply/1974/) - Thank you, I have raised a ticket. - [](https://www.iot747.com/forums/reply/1973/) - Hello, The Autoconn feature came after AA3170. You would need to use a draft release of the new upcoming AA32xx firmware. Please file a ticket support at: https://www.iot747.com/support/open.php, stating company name, project and teh team will give you an early release which has the AUTOCONN_BCAST config. It is a Config like any other Config. Thanks. - [](https://www.iot747.com/forums/reply/1956/) - Tahnsk - [](https://www.iot747.com/forums/reply/1955/) - Hi, For now, you would need to reopen the connection from the transmitter when you see a CLOSE notification. IOT747 - [](https://www.iot747.com/forums/reply/1952/) - Hi, Thank you for your reply, I was on an old firmware version, I tested it on v3.1.70, I am getting notifications on link loss, But is there a way both devices can reconnect automatically, Let me explain more my setup so I am connecting only two devices using Unicast UTXM bidirectional audio stream (I - [](https://www.iot747.com/forums/reply/1951/) - Hi, Thank you for your reply, I tried the example and all is good, Also I was on an older firmware version which was causing me problems, Thanks, Abdo - [](https://www.iot747.com/forums/reply/1950/) - Hi, I tested and I do get: CLOSE_OK 14 BLE 245DFC021572 LC3_VOICE_STOP 19 CLOSE_OK 19 UTXV 245DFC021572 On both sides when I have a Link Loss. Can you recheck that you don't get this? IOT747 - [](https://www.iot747.com/forums/reply/1949/) - You need to set aptx-lowlatency. Do you have a license? You should see (aptX Lossless: ON when you boot). See below the example. Board1: restore IOT747 Copyright 2022 AudioAgent IDC777 V3.1.83 Build: 0400427b Bluetooth address 245DFC02157A Ready aptX Lossless: ON PAIR_PENDING set CODEC=OFF OFF OFF OFF OFF OFF OFF ON ON OK set UCAST_CONFIG_TXM=2 48 - [](https://www.iot747.com/forums/reply/1946/) - Hello again, Thank you for your reply, I am trying the gaming mode but wasn't able to make it work, On the initiator: config AUDIO=0 0 AUDIO_ANALOG=9 15 1 OFF AUDIO_DIGITAL=0 44100 64 00100100 00000000 AUTOCONN=0 3 AUTO_DATA=OFF OFF BATT_CONFIG=OFF OFF OFF 3000 4200 10 1470 45 200 BCAST_CONFIG=223344 48 2 2 40000 OFF 2 - [](https://www.iot747.com/forums/reply/1944/) - Hello Abdo, For bidirection links, you for now have 2 options: 1) Classic Bluetooth: AGHFP and HFP: This will give you a 16kHz mSBC encoded stream. Latency is about 50ms. 2) LE Audio: In this one, you can choose the sampling rate. However, this was only tested up to 32Khz. I don't think 48k is - [](https://www.iot747.com/forums/reply/1940/) - Hi, In the new release, we have a new CONFIG AUTO_AUDIO where you can set it so the IDC777 can Auracast from start. Please file a ticket at https://www.iot747.com/support/open.php and we can give you an early version of the firmware. It is currently being tested for release. IOT747 - [](https://www.iot747.com/forums/reply/1933/) - Spam - [](https://www.iot747.com/forums/reply/1833/) - Hello, The IDC777 allows to detect automatically if it is an earbud. But you have to enable this capability. Can you try and change SSP_CAPS=3 ON? (Syntax: SSP_CAPS= ). Then do a WRITE and RESET and try and pair and connect to the first earbud as you would normally. The IDC777 should then detect the - [](https://www.iot747.com/forums/reply/1832/) - Hi, This feature is not available. But we will include it in the list of featrues requested. Thanks. IOT747 - [](https://www.iot747.com/forums/reply/1821/) - Hi George, Yes, one IDC777 can stream 4 Audio streams at the same time using Auracast (LE Audio). Please note this is 4 Mono streams. Otherwise, you can also stream 2 Stereo streams. IOT747 - [](https://www.iot747.com/forums/reply/1501/) - Please upgrade to the latest https://1drv.ms/u/s!ArxXgcuMmkOHlt5u-x1xqy99oC_n7A?e=HtCklW - [](https://www.iot747.com/forums/reply/1500/) - Please upgrade to the latest https://1drv.ms/u/s!ArxXgcuMmkOHlt5u-x1xqy99oC_n7A?e=HtCklW - [](https://www.iot747.com/forums/reply/1499/) - We got spammed so we need to clean up the Forum. We will still answer but you can also post Support tickets for a faster reply for now - [](https://www.iot747.com/forums/reply/1180/) - Hi, Yes, the CVC is included with the IDC777. You can enable or disable it using the first parameter of HFP_CONFIG. There is no manual about it. You simply enable it and it will do the echo cancellation and noise suppression. If tuning is needed, we can provide the service but it is a paid - [](https://www.iot747.com/forums/reply/1178/) - Thank you for your response! 1) Do I get it right that the Qualcomm CVC license is include with IDC777? 2) Could you recommend the source/manual to understand the configuration keys to be used with CVC_CFG? Thanks a lot, Marcin - [](https://www.iot747.com/forums/reply/1177/) - Hi, With the IDC777, the CVC is already included. So you do not need a license. It is enabeld by default (Look under HFP_CONFIG). So it shoudl work as before. Thanks. IOT747 - [](https://www.iot747.com/forums/reply/1167/) - Hi, Some Zen headphones have old firmware that does not work wit Unicast. They have been unstable generally. Please try and upgrade your headphones firmware using the Creative App and that usually would make it work. IOT747 - [](https://www.iot747.com/forums/reply/1164/) - Hi, Sorry about the late response. the IDC777 has the same software interface and has LE Audio (Auracast and Unicast) as well as Classic. So it has the same functionalities as IDC747 with new ones and a longer life expectancy. However, it is not pin to pin compatible. Please email me at marta@iot747.com if you - [](https://www.iot747.com/forums/reply/1138/) - And we are right now in the situation, where we'd like to replace a BC127 in a design that we do not wish to change otherwise. First we thought that the IDC747 would be the solution, but now (as of October 1, 2024) the IDC747 is tagged discontinued. Do you have any suggestion? - [](https://www.iot747.com/forums/reply/1125/) - Thansk for the update. Hope all is working now. IOT747 - [](https://www.iot747.com/forums/reply/1119/) - I was advised via support ticket to use AA-Flasher, which did allow me to update the firmware. - [](https://www.iot747.com/forums/reply/1109/) - The thermistor will need to be connected to AIO0 - [](https://www.iot747.com/forums/reply/1108/) - Hi, Please refer to the new maual and Datasheet on the IDC777. BATT_CONFIG will allow you the charging voltage levels and charging current level. BATTERY_STATUS will give you all the information about the battery. IOT747 - [](https://www.iot747.com/forums/reply/1088/) - Hi Marcin, Yes, sorry, we had to discontinue IDC747 because the Qualcomm part in this module has been discontinued. This came to a surprise. So unfortuantely, you have to move to the IDC777. The IDC777 has the same API as IDC747. It is very close to the BC127. You can see the commands at: https://www.iot747.com/download/idc747-uart-command-manual/ - [](https://www.iot747.com/forums/reply/1085/) - Hi, When using the CONFIG command there is no BATT_CONFIG listed. BATTERY_STATUS gives ERROR 0x0012 and so does BATT_CONFIG=ON ON ON 3000 4200 10 1470 45. This is the output of the IDC747-1 at startup IOT747 Copyright 2022 AudioAgent V2.0.94 Build: 7b034778+2 What gives? Doesn't the IDC747-1 have battery charging built in? Is there a - [](https://www.iot747.com/forums/reply/1080/) - Hi Ash, we have successfully tested I2S with the new software version (3.0.61). Many thanks for the quick fix. Dirk - [](https://www.iot747.com/forums/reply/1079/) - Hi Dirk, Can you try AA3061D: https://1drv.ms/u/s!ArxXgcuMmkOHla0y2huU87im9pVCWg?e=mAOreC? This shoudl have it fixed. It is also on the Cloud if you are doing upgrade over Bluetooth. Ash - [](https://www.iot747.com/forums/reply/1078/) - Hi Ash Thank you very much for your quick reply. We will then wait for the new software version. Dirk - [](https://www.iot747.com/forums/reply/1077/) - Hi, Yes, I have manaed to reproduce the issue using 2 DISKITs. If the IDC777 is doing the OPEN UTXV, then the I2S IN works (You can hear whatever is on the I2S on the other side on the URX1). But the I2S OUT does not. The AUdio actually ends up in the Analog anway - [](https://www.iot747.com/forums/reply/1076/) - Meaning: There is also no output on the DISKITs I2S port when UTXV is used. - [](https://www.iot747.com/forums/reply/1075/) - Update: I have now set the DISKIT as HOST and set the audio to digital. With AGHFP I get an (electrical) signal at the I2S output. With UTXV I get no signal at the I2S output. The clocks are there though. - [](https://www.iot747.com/forums/reply/1074/) - Additional information: If we establish an (AG)HFP connection, i.e. a classic connection, I2S works in both setups - [](https://www.iot747.com/forums/reply/1073/) - Hello Ash, the setups you describe are correct. Setup 1: the module that is installed in the prototype does not output an I2S signal (no electrical signal at the module output) Setup 2: the module that is installed in the prototype outputs an I2S signal. Regarding your notes: 1) The devices were paired. To switch - [](https://www.iot747.com/forums/reply/1072/) - Hello, You don't need a thermistor to charge the battery. Please upgrade to the latest firmware and using BATT_CONFIG and BATTERY_STATUS commands, you shoudl be able to check that it is charging as expected. Ash - [](https://www.iot747.com/forums/reply/1071/) - Hello, You don't need a thermistor to charge the battery. Please upgrade to the latest firmware and using BATT_CONFIG and BATTERY_STATUS commands, you shoudl be able to check that it is charging as expected. Ash - [](https://www.iot747.com/forums/reply/1070/) - Hello, You don't need a thermistor to charge the battery. Please upgrade to the latest firmware and using BATT_CONFIG and BATTERY_STATUS commands, you shoudl be able to check that it is charging as expected. Ash - [](https://www.iot747.com/forums/reply/1069/) - Hello, You don't need a thermistor to charge the battery. Please upgrade to the latest firmware and using BATT_CONFIG and BATTERY_STATUS commands, you shoudl be able to check that it is charging as expected. Ash - [](https://www.iot747.com/forums/reply/1068/) - Hello, I am not sure I understand your set-up. Could you please explain: SetUp1: This is an IDC777 Module installed in a prototype (Host). The Host opens an UTXV with an IDC777 in a IDC777-DISKIT (Device). You do not get any I2S out from the IDC777 module in the Host? SetUp2: The IDC777-DISKIT is the - [](https://www.iot747.com/forums/reply/952/) - Hello Huma, Sorry for the delay. For now, what we have is: 1) BIS (Auracast): Receive or Transit stereo and 48 KHz. If one IDC777 module is Tx, then you can connect an infinite amount of IDC777s to receive the stream. Please check out this video: https://www.iot747.com/aiovg_videos/idc777-in-broadcast-transmit-and-in-broadcast-receive-mode/ 2) A2DP Classic then BIS Relay: The module - [](https://www.iot747.com/forums/reply/921/) - Hello Luca, Unfortunatelly, you need to send a few UART commands for the module to Inquire for close by devices and pair and open a connection. So you would need a small microcontroller. IOT747 does provide firmware customisation but you need to contact info@iot747.com Support - [](https://www.iot747.com/forums/reply/920/) - Hello, Sorry for the delay. 1. ADVERTISING ON and you shoudl be able to see the device using the IOT747 Scanner application (On Android or iOS). ex: https://apps.apple.com/gb/app/iot747-scanner/id1602815563 for iOS 2. WRITE command can be used at the end. When you use the WRITE command, it writes all the current configuration parameters to the Flash. - [](https://www.iot747.com/forums/reply/919/) - Hi, IN BLE mode, you have the indication (reliable but slower channel with confirmation of packets received) or notification (faster but with no acknowledgement). In Data mode and indication, the bit rate is over 100kbit/s. You can select indication or notification in BLE_CONFIG. IOT747 - [](https://www.iot747.com/forums/reply/761/) - To make the module as a transmitter and transmit music, you need to type the following commands: SET PROFILES=ON 0 1 0 1 1 1 1 WRITE RESET This puts the module in transmit mode and resets it in transmit mode. Then you have to put your headset in Pairing mode and type the following - [](https://www.iot747.com/forums/reply/760/) - When I look at your configuration, you have AUDIO_DIGITAL=0 44100 64 00100100, that means you are in Slave mode (the first 00 in 00100100). So you need to change it to 01100100 to change it to Master mode and the module will generate the clock. Please note that PCM is not implemented yet (soon) and - [](https://www.iot747.com/forums/reply/759/) - Before you can establish a connection using the OPEN command, you need to pair by using the PAIR command. In your case, please send initially the command PAIR 70BF92F3DE2C. You can see the list of Paired devices by sending the command LIST. - [](https://www.iot747.com/forums/reply/758/) - Yes, the BC127 is pin to pin compatible with the BC127. And the IDC737 is pin to pin compatible with the BC127-EXT. The commands are the same or very similar so it is usually straightforward to switch from one to another. - [](https://www.iot747.com/forums/reply/757/) - The IDC747 is not pin to pin compatible with the WT32. However, the IDC747 works in the same way as the WT32i. It includes the Bluetooth stack, profiles (HFP, AGHFP, A2DP, A2DP Source, SPP) and the DSP/Audio codecs. And the commands are text commands and similar. So Users of the older WT32 should be able - [](https://www.iot747.com/forums/reply/756/) - The IDC747 can be a Source or a Sink. There is a configuration parameter called PROFILES where you can set which role you woudl like to take. Note that the IDC747 cannot be a receiver or a transmitter at the same time (i.e. receive music from a phone and retransmit to a standard bluetooth speaker). - [](https://www.iot747.com/forums/reply/755/) - The IDC747 can receive music in APTX and APTX-HD mode. The module already includes the APTX decoders as standard. There is no need for a license. - [](https://www.iot747.com/forums/reply/747/) - Same footprint and same pin functionality - [](https://www.iot747.com/forums/reply/746/) - Yes, these 2 modules are pin to pin compatible - [](https://www.iot747.com/forums/reply/737/) - Yes, the IDC747 is pin to pin compatible with the BC127 - [](https://www.iot747.com/forums/reply/733/) - Hello Jonathan, Please refer to the IDC747 which is the easiest replacement for IDC747. The command manual and data sheet are at https://www.iot747.com/documents/.. We suggest to get an IDC747-DISKIT to get familiar with the module before designing it in. Ash ## Downloads - [IDC777-Certification](https://www.iot747.com/download/idc7xx-certification/) - [IDC777 - Command Manual - Latest](https://www.iot747.com/download/idc777-command-manual-aa3170/) - [IDC767-Datasheet](https://www.iot747.com/download/idc777-datasheet/) - [IDC777-Datasheet](https://www.iot747.com/download/idc747-datasheet-3/) - [Latest Draft Release](https://www.iot747.com/download/aa3170d/) - [IDC777 Headsets Use Cases](https://www.iot747.com/download/idc777-headsets-use-cases/) - [IOT747 Standard NDA Form](https://www.iot747.com/download/iot747-standard-nda-form/) - [IDC777 Assistive Listening](https://www.iot747.com/download/idc777-infrastructure-use-cases/) - [IDC777-Audio Use Cases](https://www.iot747.com/download/idc777-audio-use-cases/) - [IDC777 Brochure](https://www.iot747.com/download/idc777-and-idc767-product-brief-2/) - [IDC777-Push-to-Talk Applications](https://www.iot747.com/download/idc777-push-to-talk-applications/) - [IDC777 - Command Manual - AA3170](https://www.iot747.com/download/idc747-idc777-command-manual/) - [Mikroe IDC777 add-on board.](https://www.iot747.com/download/idc747-diskit-manual/) - Details about the Mikroe Development kit with IDC777 and the ecosystem around it. - [AA3170D](https://www.iot747.com/download/aa3140d-2/) - [AA3140D](https://www.iot747.com/download/aa3140d/) - [AA3090D](https://www.iot747.com/download/aa3090d/) - [IDC777-Headset Use Cases](https://www.iot747.com/download/idc777-audio-use-cases-2/) - [Conflict Minerals Declaration (CMRT 6.31V)](https://www.iot747.com/download/conflict-minerals-declaration-cmrt-6-31v/) - [IDC777 Intercom Use Cases](https://www.iot747.com/download/idc777-intercom-use-cases/) - [AA-Serial-DFU](https://www.iot747.com/download/idc747-aa-flasher-2/) - Utility to Upgrade modules using the same UART interface used for Commands. - [AA-USB-Flasher](https://www.iot747.com/download/idc747-aa-flasher/) - Utility to Flash directly on module/kit (This is not DFU). Only use *.xuv files. Available for specific projects. - [IDC767-Long Range](https://www.iot747.com/download/idc767-long-range/) - App Note to test if range increases with better antenna. - [IDC777-Step Files](https://www.iot747.com/download/idc737-step-files/) - [Audio Market: IDC777 Auracast Party Mode](https://www.iot747.com/download/idc777-and-idc767-product-brief-3/) - Auracast Multi-Speaker Mode - No set up requried from the user. - [IDC777-DISKIT Schematics](https://www.iot747.com/download/idc747-diskit-schematics-2/) - [BLE DB Generator](https://www.iot747.com/download/ble-db-generator/) - [IDC777 and IDC767 Product Brief](https://www.iot747.com/download/idc777-datasheet-2/) - [IOT747 Company Presentation](https://www.iot747.com/download/idc777-and-idc767-product-brief/) - [IDC777 - Atex Capacitors and Inductors](https://www.iot747.com/download/idc747-atex-capacitors-and-inductors-2/) - [IDC767-Step Files](https://www.iot747.com/download/idc777-step-files/) - [Draft created on November 1, 2023 at 3:33 am](https://www.iot747.com/download/draft-created-on-november-1-2023-at-333-am/) - [Quote Request Form](https://www.iot747.com/download/quote-request-form/) - [Scanner-iOS](https://www.iot747.com/download/ios-scanner-sample-ios-bluetooth-low-energy-app/) - [Scanner-Android](https://www.iot747.com/download/android-scanner-sample-bluetooth-low-energy-app/) - [Scanner-iOS](https://www.iot747.com/download/scanner-ios/) - Reference source Code for Scanner-iOS App - [Scanner-Android](https://www.iot747.com/download/scanner-android/) - Reference source code for Android Scanner App - [Firmware-Update-iOS](https://www.iot747.com/download/firmware-update-ios/) - [Firmware-Update-Android](https://www.iot747.com/download/firmware-update-ios-2/) - [Account Request Form](https://www.iot747.com/download/account-request-form/) ## Products - [IDC777](https://www.iot747.com/product/idc777/) - IDC777 is a fully integrated Dual Mode LE Audio (LC3 Codec AuraCast and UniCast) and Classic Bluetooth module - [IDC767](https://www.iot747.com/product/idc767/) - IDC767 is a fully integrated Dual Mode LE Audio (LC3 Codec AuraCast and UniCast) and Classic Bluetooth module - [IDC777-KIT](https://www.iot747.com/product/idc777-kit/) - IDC777-KIT is the development kit for the IDC777 module. The IDC777-KIT is a small form factor evaluation board for the IDC777. , Bluetooth module - Bluetooth Audio Module, WT32 , Sierra Wireless BC127 - [AUDIOAGENT FIRMWARE LICENSE NRE](https://www.iot747.com/product/audioagent-8x/) - AudioAgent 8x is the firmware running on QCOM 8x generation chips. It comprises a full suite of Bluetooth Profiles including Bluetooth Low Energy. - [Support Pack 8](https://www.iot747.com/product/support-pack-8/) - This is a support package including 80hrs of engineering to be used within 60 days for Support of Small Development Jobs. - [Support Pack 4](https://www.iot747.com/product/support-pack-4/) - This is a support package including 40hrs of engineering to be used within 30 days for Support of Small Development Jobs. ## Videos - [IDC777 - Auracast Announcements - ANNONCE Command](https://www.iot747.com/aiovg_videos/idc777-auracast-announcements-annonce-command/) - This video shows how the IDC777 can receive a Classic A2DP Audio and Auracast Audio. It then gives priority to Classic over Auracast unless the Auracast is an announcement. These Priorities can be configured with BCAST_PRIORITY - [IDC777 - USB to Analog (or Digital) Converter - Route 7](https://www.iot747.com/aiovg_videos/idc777-usb-to-analog-or-digital-converter-route-7/) - This video shows the IDC777 enumerating as a USB Audio Device and then Converting USB Audio to Analog - [IDC777 - Commands over BLE - Controlling the Module from an App](https://www.iot747.com/aiovg_videos/idc777-commands-over-ble-controlling-the-module-from-an-app/) - [IDC777-HID over Gatt (BLE)](https://www.iot747.com/aiovg_videos/idc777-hid-over-gatt-ble/) - The IDC777 connects to a Samsung S23 with a HID over Gatt (BLE) device. So it can appear as a keyboard and send characters to the phone. - [IDC777-MAP and PBAP Profiles](https://www.iot747.com/aiovg_videos/idc777-map-and-pbap-profiles/) - The IDC777 connects to an iPhone and can download the phonebook as well as receiving any notifications (ex: Text Messages). - [IDC777-HID-Connecting as a Keyboard](https://www.iot747.com/aiovg_videos/idc777-hid-connecting-as-a-keyboard/) - Thsi video shows the IDC777 connecting as a keyboard to the iPhone. The IDCC can also do all the other Audio profiles at the same time. - [IDC777: Receiving Auracast and re-Auracasting for Mesh Audio](https://www.iot747.com/aiovg_videos/idc777-receiving-auracast-and-re-auracasting-for-mesh-audio/) - Thsi video shows an IDC777 receiving Auracast and re-Auracasting. - [IDC777-A2DP Party Mode - Audio Mesh with AUTO_AUDIO and OPENANY](https://www.iot747.com/aiovg_videos/idc777-a2dp-party-mode-audio-mesh-with-auto_audio-and-openany/) - This video shows how to easily establish a reliable and resilient Audio Mesh or Party Mode with IDC777 OPENANY command and AUTO_AUDIO Configuration - [IDC777-Audio Mesh - OPENANY, AUTO_DATA and AUTOCONN](https://www.iot747.com/aiovg_videos/idc777-audio-mesh-openany-auto_data-and-autoconn/) - Video showing party mode with 3 Speakers and how to use AUTO_DATA and OPENANY - [IDC777: Auracast 4 Different Streams at the same time](https://www.iot747.com/aiovg_videos/idc777-auracast-4-different-streams-at-the-same-time/) - This shows the IDC777 being able to Auracast 4 Subgroups (1 BIS each). For example German, French, English and Italian streams. - [IDC777 Streaming 2 Independant Auracast Streams](https://www.iot747.com/aiovg_videos/idc777-streaming-2-independant-auracast-streams/) - IDC777 can create 2 Subgroups Each with its own MetaData (Name) and Streaming its independant Mono Channel - [Interoperability with 2 LE Transmitters/Receivers](https://www.iot747.com/aiovg_videos/interoperability-with-2-le-transmitters-receivers/) - This video shows IDC777 working with 2 off the shelf LE Audio transmitters/receivers. - [Switching between 2 Auracast Streams](https://www.iot747.com/aiovg_videos/switching-between-2-auracast-streams/) - This video shows the IDC777 switching between 2 Auracast Stereo Streams, one from an IDC777 and another one from another device - [IDC777-Unicast Music](https://www.iot747.com/aiovg_videos/idc777-unicast-music-2/) - Video with IDC777 to scan for Unicast enabled devices and stream music - [IDC777-Auracast Transmit and Receive](https://www.iot747.com/aiovg_videos/idc777-auracast-transmit-and-receive/) - Thsi video shows an IDC777 Aurcasting Audio and another IDC777 finding the Auracast Channel and Playing the Audio Received - [IDC777-Auracast and Broadcasting Volume and Data](https://www.iot747.com/aiovg_videos/idc777-auracast-and-broadcasting-volume-and-data/) - This video shows an IDC777 receiving an A2DP link, re-broadcasting the Audio. It then Broadcasts Volume and any data to receivers. It can also receive Data from any of the Receivers. - [IDC777-A2DP->Auracast - Party Mode](https://www.iot747.com/aiovg_videos/idc777-a2dp-auracast-party-mode/) - This video shows an IDC777 receiving an A2DP Audio link from a phone and re-broadcasting it. So an unlimited number of Audio receivers can connect. - [IDC777-Data Auracast](https://www.iot747.com/aiovg_videos/idc777-data-auracast/) - Thsi video shows an IDC777 receiving an A2DP stream and then doing an Auracast of Audio to 2 IDC777. The Auracast receivers are synchronised in volume and can receive and send Data to the original Broadcaster. - [IDC777-Controlling Volume and Broadcasting Data through Auracast](https://www.iot747.com/aiovg_videos/idc777-controlling-volume-and-broadcasting-data-through-auracast/) - Thsi video shows Auracast Broadcasting Volume and Data - [IDC777-Unicast-Music](https://www.iot747.com/aiovg_videos/idc777-unicast-music/) - [IDC777 in Broadcast Tx and Rx Modes](https://www.iot747.com/aiovg_videos/idc777-in-broadcast-transmit-and-in-broadcast-receive-mode/) - One IDC777 Broadcasting Audio and one IDC77 Receiving the Audio - [IDC777-Latency Measurement](https://www.iot747.com/aiovg_videos/idc777-latency-measurement/) - In this video, we use a beEmbedded device to measure the latency when an IDC777 is receiving A2DP Sink and then Auracasting to another IDC777. This is the party mode and the measured latency is lower than 1ms. - [IDC777-Opening Unicast from the Receiver](https://www.iot747.com/aiovg_videos/idc777-opening-unicast-from-the-receiver/) - Video showing how to set up the IDC777 Unicast Transmitter to accept connection from a Unicast Receiver. - [IDC777-Unicast (CIS) Tx and Rx](https://www.iot747.com/aiovg_videos/idc777-unicast-cis-tx-and-rx/) - One IDC777 connecting to another IDC777 using Unicast (CIS) both Voice and Music. - [IDC777-Connecting Unicast (CIS) to a LE Audio Headset](https://www.iot747.com/aiovg_videos/idc777-connecting-unicast-cis-to-a-le-audio-headset/) - One to One LE Audio LC3 Unicast Connection to an LE Audio Enabled headset - [IDC747 - Bidirectional 40ms latency Audio (AGHFP and HFP) Classic](https://www.iot747.com/aiovg_videos/idc747-bidirectional-40ms-latency-audio-aghfp-and-hfp-classic/) - This video shows how 2 IDC747 can connect with bidirectional Audio using AGHFP and HFP. The link is WB at 16Khz. The same procedure can be applied to connect an IDC747 to a Bluetooth headset. - [IDC747: Streaming high quality music (aptX-HD) from one IDC747 to another](https://www.iot747.com/aiovg_videos/idc747-streaming-high-quality-music-aptx-hd-from-one-idc747-to-another/) - [IDC777-Dynamic change of Broadcast Config](https://www.iot747.com/aiovg_videos/idc777-dynamic-change-of-broadcast-config/) - This shows an IDC777 Auracast Transmitter changing the Presentation delay and sampling rate of the Audio. Then the IDC777 Receiving the Audio reconnects and adjusts automatically - [IDC777-Auracast Presentation Delay](https://www.iot747.com/aiovg_videos/idc777-auracast-presentation-delay/) - This Video shows how to change on the IDC777 Auracast transmitter the presentation delay (20ms to 40ms). - [IDC777-Unicast-Voice](https://www.iot747.com/aiovg_videos/idc777-unicast-voice/) - [IDC777-Multi-Sample Auracast](https://www.iot747.com/aiovg_videos/idc777-multi-sample-auracast/) - [IDC777 Auracast Encrypted](https://www.iot747.com/aiovg_videos/idc777-auracast-encrypted/) - This video shows an IDC777 Broadcasting a Private Stereo Channel and an IDC777 Receiving it. - [IDC777-Simultaneous Broadcast Rx and Broadcast Tx](https://www.iot747.com/aiovg_videos/idc777-simultaneous-broadcast-rx-and-broadcast-tx/) - IDC777 Re-broadcaster: Receiving Broadcast Audio and Re-Broadcasting it to increase range - [IDCC777-Switch LE and Classic Voice](https://www.iot747.com/aiovg_videos/idcc777-switching-le-and-classic/) - IDC777 switching between Classic Voice, Classic Music and LE Broadcast Audio. - [IDC777- Switch LE Audio and Classic](https://www.iot747.com/aiovg_videos/idc777-broadcast-le-audio-and-bluetooth-classic-connection-at-the-same-time/) - IDC777 Switching between A2DP Bluetooth Classic and LE Broadcast (LC3) - [IDC777-APTX LOSSLESS](https://www.iot747.com/aiovg_videos/idc777-aptx-lossless-demo/) - IDC777-Snapdragon sound (aptX-Lossless) with bit exact CD quality - 44100Khz/16 bits) - [IDC777-A2DP and LE Broadcast](https://www.iot747.com/aiovg_videos/idc777-receiving-a2dp-classic-and-streaming-over-le-broadcast/) - How to set up the IDC777 to receive A2DP and Broadcast to many Speakers - [IDC747-FirmwareUpgrade-Android](https://www.iot747.com/aiovg_videos/idc747-firmwareupgrade-android/) - [IDC747-Firmware Upgrade-iOS](https://www.iot747.com/aiovg_videos/idc747-firmware-upgrade-ios/) - [IDC747 SnapDragon Sound: APTX-Adaptive](https://www.iot747.com/aiovg_videos/idc747-snapdragon-sound-aptx-adaptive/) - [Streaming Music to a Headset or Bluetooth Speaker](https://www.iot747.com/aiovg_videos/streamin-music-to-a-headset-or-bluetooth-speaker/) - [IDC777 - Auracast Demo - LC3 Demo](https://www.iot747.com/aiovg_videos/idc777-auracast-demo-lc3-demo/) - [IDC707 - Music Transmit - 2 Connections](https://www.iot747.com/aiovg_videos/idc707-music-transmit-2-connections/) - [IDC707-Music Transmit -1 Connection](https://www.iot747.com/aiovg_videos/idc707-music-transmit-1-connection/) - [IDC747-Call from laptop](https://www.iot747.com/aiovg_videos/idc747-call-from-laptop/) - [IDC747-Connect to a Laptop](https://www.iot747.com/aiovg_videos/idc747-connect-to-a-laptop/) - [IDC747-Connect an Android App](https://www.iot747.com/aiovg_videos/idc747-connect-an-android-app/) - [IDC747-Using the I2S Interface](https://www.iot747.com/aiovg_videos/idc747-using-the-i2s-interface/) - [IDC747-Connecting to an iOS App](https://www.iot747.com/aiovg_videos/idc747-connecting-to-an-ios-app/) - [High-End Bluetooth](https://www.iot747.com/aiovg_videos/high-end-bluetooth/) - High End Audio - [IDC7x7: Kit Set-Up](https://www.iot747.com/aiovg_videos/idc707-kit-set-up/) - [Audio Bluetooth Codecs](https://www.iot747.com/aiovg_videos/bluetooth-codecs/) - If you want to know more about the different Codecs supported in Bluetooth - [How Bluetooth Works](https://www.iot747.com/aiovg_videos/how-bluetooth-works/) - How Bluetooth Works - [Bluetooth Audio Quality Show Down](https://www.iot747.com/aiovg_videos/bluetooth-audio-quality-show-down/) - Bluetooth Audio Quality Show Down - [Bluetooth versus Bluetooth APTX](https://www.iot747.com/aiovg_videos/bluetooth-versus-bluetooth-aptx/) - [Bluetooth LE and the LC3 Codec](https://www.iot747.com/aiovg_videos/bluetooth-le-and-the-lc3-codec/) - Bluetooth LE and the LC3 Codec ## Clients - [Kickmaker](https://www.iot747.com/clients/kickmaker/) - [Harman](https://www.iot747.com/clients/harman/) - [Crestron](https://www.iot747.com/clients/crestron/) ## Notifications - [STC Demo E-mail Template V2.3](https://www.iot747.com/notifications/stc-demo-e-mail-template-v2-3/) - {{blog_title}} {{draw_line}} {{start_content}} Triggered by: {{search_reason}} {{post_title_with_perma_link}} {{post_content}} {{end_content}} © 2020 - Sidney van de Stouwe {{unsubscribe}} Email Us - [STC Basic E-Mail Template V2.3](https://www.iot747.com/notifications/stc-basic-e-mail-template-v2-3/) - Blog Title: {{blog_title}} {{start_content}} {{draw_line}} Notification: {{search_reason}} Title: {{post_title}} Title with link: {{post_title_with_perma_link}} Featured Image: {{post_featured_image}} Content: {{post_content}} Excerpt: {{post_excerpt}} Excerpt: {{post_excerpt_with_read_more_link}} {{end_content}} {{draw_line}} Unsubscribe link: {{unsubscribe}} - [Basic E-Mail Template V1](https://www.iot747.com/notifications/basic-e-mail-template-v1/) - {{start_content}} Hi thereThe following has been added/uploaded recently to IOT747 {{search_reason}} : {{post_title}}Click on the link to view it {{post_title_with_perma_link}} This is an automatically generated e-mail. Do not reply to this address. Best regards, IOT747 Team PS: If you no longer wish to receive these notifications, please {{unsubscribe}}. {{end_content}} - [Basic E-Mail Template](https://www.iot747.com/notifications/stc-basic-e-mail-template-v2-2/) - Blog Title: {{blog_title}} {{start_content}} {{draw_line}} Notification: {{search_reason}} Title: {{post_title}} Title with link: {{post_title_with_perma_link}} Featured Image: {{post_featured_image}} Content: {{post_content}} Excerpt: {{post_excerpt}} Excerpt: {{post_excerpt_with_read_more_link}} {{end_content}} {{draw_line}} Unsubscribe link: {{unsubscribe}} - [Demo E-mail Template V2.0](https://www.iot747.com/notifications/stc-demo-e-mail-template-v2-0/) - {{blog_title}} {{draw_line}} {{start_content}} Triggered by: {{search_reason}} {{post_title_with_perma_link}} {{post_content}} {{end_content}} © 2020 - Sidney van de Stouwe {{unsubscribe}} Email Us ## Categories - [iot](https://www.iot747.com/category/iot/) - [Press Release](https://www.iot747.com/category/news/) - [Blog](https://www.iot747.com/category/blog/) ## Tags - [Datasheet](https://www.iot747.com/tag/datasheet/) - [User Guide](https://www.iot747.com/tag/user-guide/) - [Software Code](https://www.iot747.com/tag/software-code/) - [Corporate](https://www.iot747.com/tag/corporate/) - [Presentation](https://www.iot747.com/tag/presentation/) - [Apps](https://www.iot747.com/tag/apps/) - [Software Tool](https://www.iot747.com/tag/software-tool/) - [Firmware Update](https://www.iot747.com/tag/firmware-update/) ## Topic Tags - [IDC747](https://www.iot747.com/forums/topic-tag/idc747/) - [BC127](https://www.iot747.com/forums/topic-tag/bc127/) - [WT32i](https://www.iot747.com/forums/topic-tag/wt32i/) - [A2DP Source](https://www.iot747.com/forums/topic-tag/a2dp-source/) - [I2S](https://www.iot747.com/forums/topic-tag/i2s/) - [iOS; WRITE; ADVERTISING](https://www.iot747.com/forums/topic-tag/ios-write-advertising/) - [IDC777](https://www.iot747.com/forums/topic-tag/idc777/) - [IDC747 Charging Thermistor Battery](https://www.iot747.com/forums/topic-tag/idc747-charging-thermistor-battery/) - [IDC747 Battery Power regulator SMPS](https://www.iot747.com/forums/topic-tag/idc747-battery-power-regulator-smps/) - [IDC747 BLE GATT Profile DBGenerator](https://www.iot747.com/forums/topic-tag/idc747-ble-gatt-profile-dbgenerator/) - [IDC777 LC3 I2S UTXV](https://www.iot747.com/forums/topic-tag/idc777-lc3-i2s-utxv/) - [compatibility](https://www.iot747.com/forums/topic-tag/compatibility/) - [IDC777 DFU](https://www.iot747.com/forums/topic-tag/idc777-dfu/) - [cvc](https://www.iot747.com/forums/topic-tag/cvc/) - [license](https://www.iot747.com/forums/topic-tag/license/) - [UTXV](https://www.iot747.com/forums/topic-tag/utxv/) - [sampling rate](https://www.iot747.com/forums/topic-tag/sampling-rate/) - [SOFTWAREUPDATE](https://www.iot747.com/forums/topic-tag/softwareupdate/) - [IDC777-kit](https://www.iot747.com/forums/topic-tag/idc777-kit/) - [Communicator](https://www.iot747.com/forums/topic-tag/communicator/) - [Firmware](https://www.iot747.com/forums/topic-tag/firmware/) - [UART](https://www.iot747.com/forums/topic-tag/uart/) - [IDC767-1](https://www.iot747.com/forums/topic-tag/idc767-1/) ## Categories - [Documents](https://www.iot747.com/download-category/documents/) - [Software](https://www.iot747.com/download-category/software/) - [Support Pack 8](https://www.iot747.com/download-category/support-pack-8/) - [Support Pack 4](https://www.iot747.com/download-category/support-pack-4/) - [Audioagent 8x](https://www.iot747.com/download-category/audioagent-8x/) - [Audioagent Gen](https://www.iot747.com/download-category/audioagent-gen/) - [IDC707-KIT](https://www.iot747.com/download-category/idc707-kit/) - [IDC707](https://www.iot747.com/download-category/idc707/) - [IDC747](https://www.iot747.com/download-category/idc747/) - [IDC747 KIT](https://www.iot747.com/download-category/idc747-kit/) - [IDC737](https://www.iot747.com/download-category/idc737/) - [IDC777-KIT](https://www.iot747.com/download-category/idc777-kit/) - [IDC767](https://www.iot747.com/download-category/idc767/) - [IDC777](https://www.iot747.com/download-category/idc777/) - [Firmware](https://www.iot747.com/download-category/firmware/) ## Tags - [IDC747](https://www.iot747.com/document-tag/idc747/) - [idc737](https://www.iot747.com/document-tag/idc737/) - [idc747-diskit](https://www.iot747.com/document-tag/idc747-diskit/) - [idc767](https://www.iot747.com/document-tag/idc767/) ## Product categories - [Software](https://www.iot747.com/product-category/software/) - [Hardware](https://www.iot747.com/product-category/hardware/) - [Services](https://www.iot747.com/product-category/services/) ## Video Categories - [IoT747 Videos](https://www.iot747.com/video-category/iot747-videos/) - [AudioAgent 8x](https://www.iot747.com/video-category/audioagent-8x/) - [AudioAgent Gen](https://www.iot747.com/video-category/audioagent-gen/) - [IDC707](https://www.iot747.com/video-category/idc707/) - [IDC707-KIT](https://www.iot747.com/video-category/idc707-kit/) - [Support Pack 4](https://www.iot747.com/video-category/support-pack-4/) - [Support Pack 8](https://www.iot747.com/video-category/support-pack-8/) - [IDC737](https://www.iot747.com/video-category/idc737/) - [IDC777-KIT](https://www.iot747.com/video-category/idc777-kit/) - [IDC767](https://www.iot747.com/video-category/idc767/) - [IDC777](https://www.iot747.com/video-category/idc777/) - [IDC747](https://www.iot747.com/video-category/idc747/) - [IDC747-KIT](https://www.iot747.com/video-category/idc747-kit/) ## Video Tags - [IDC707](https://www.iot747.com/video-tag/idc707/) - [Bluetooth](https://www.iot747.com/video-tag/bluetooth/) - [Audio](https://www.iot747.com/video-tag/audio/) - [Bluetooth Module](https://www.iot747.com/video-tag/bluetooth-module/) - [Qualcomm Module](https://www.iot747.com/video-tag/qualcomm-module/) ## Client Categories - [Client](https://www.iot747.com/client-category/client/) ## Testimonial categories - [home](https://www.iot747.com/testimonial-types/home/)