Hi
I have a distance sensor with different audio output corresponding to different distances. Now I want to transmitt the audio output via Bluetooth to my headphones but it doesnt work.
Any suggestions what I should try or how it could work?
Thanks
Bet money your headphones are NOT Bluetooth, but are using BLE, low energy Bluetooth, which is not at all compatible with real Bluetooth.
Could you tell us what microcontroller you are using?
Some ESP32s can do A2DP which is the Bluetooth protocol you will most likely need.
I believe some of the newer rp2040 based boards can also transmit audio.
I am using an Arduino Uno R4 Wifi which should have bluetooth build in
Cool, but the R4 WIFI uses the esp32-s3 for Bluetooth. This ESP32 controller does not support the A2DP protocol (as far as I am aware). I suspect you need a different controller unless someone else can correct me here.
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