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  • Author Author: tariq.ahmad
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DIY Open Source Bluetooth Headphones -- Episode 586

Dodgy apps, subscription fees, and exclusive phone apps for a pair of headphones? Clem says: no thanks! He's fed up with the shenanigans some manufacturers pull for simple products that should just work. And why change to a different model of headphones when you've found the perfect wired pair? Can't you have that same fit and style, but wireless? So, for this project, Clem sets out to add Bluetooth to some of his favorite wired AKG headphones, using a DFRobot FireBeetle and an I2S audio module. But, to be a true open-source alternative, Clem has to whip up a custom PCB, which doesn't go according to plan. Learn the pitfalls of overly similar part numbers by following his process of figuring out the problem! What Device should have an open source variant in your opinion and would you build it yourself?

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Bonus Content:

Bill of Material:

Product Name Manufacturer Quantity Buy Kit
DF robot firebeetle Esp32 DFROBOT 1 Buy Now
 

Additional Parts:

PCM5100 i2s module
Your favourite wired headphones

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  • New to group, I looks like this is about 2 years old, .(Jan 2023) ---Has any on taken on a Conference room Speaker/Micro over Classic Bluetooth or even BLE ?  I agree with the frustration in ESP32 models, what features are in and what are not.   Also, BLE is a totally different animal than Bluetooth Classic.  Any help or guidance would be appreciated --- I am trying to put a Bluetooth speaker/microphone an old desktop phone handset.

  • in reply to Gregcasey14910

    Sounds like a great idea.

    How much of the old conference phone are you planning on retaining ? Some have onboard DSP for AEC processing and built-in touch screens for dialling, config and status.

    I sometimes use the now discontinued Sennheiser Team Connect Wireless system at work and it has Bluetooth, NFC, USB, 3.5mm connectivity to the master speaker-mic puck, then uses something like DECT wireless to the 3 satellite speaker-mic pucks. Works really well in smaller rooms but really needed the ability to be able to support many more satellite pucks for larger venues. It was designed for use with up to 6 people at up to 4 round tables so 24 max.

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  • in reply to Gregcasey14910

    Sounds like a great idea.

    How much of the old conference phone are you planning on retaining ? Some have onboard DSP for AEC processing and built-in touch screens for dialling, config and status.

    I sometimes use the now discontinued Sennheiser Team Connect Wireless system at work and it has Bluetooth, NFC, USB, 3.5mm connectivity to the master speaker-mic puck, then uses something like DECT wireless to the 3 satellite speaker-mic pucks. Works really well in smaller rooms but really needed the ability to be able to support many more satellite pucks for larger venues. It was designed for use with up to 6 people at up to 4 round tables so 24 max.

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