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David Gwilliam
2026-02-12 21:00:02 -08:00
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libraries/audio-tools/examples/examples-communication/a2dp/basic-adc-a2dp/README.md Normal file
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# Stream Analog input to A2DP Bluetooth
We can read an analog signal from a microphone and and send it to a Bluetooth A2DP device. To test the functionality I am using a MCP6022 microphone module.
![MCP6022](https://pschatzmann.github.io/Resources/img/mcp6022.jpeg)
![MCP6022](https://pschatzmann.github.io/Resources/img/mcp6022-1.jpeg)
The MCP6022 is a anlog microphone which operates at 3.3 V
We sample the sound signal with the help of the ESP32 I2S ADC input functionality.
### Pins:
| MCP6022 | ESP32
|---------|---------------
| VCC | 3.3
| GND | GND
| OUT | GPIO34
### Dependencies
- https://github.com/pschatzmann/ESP32-A2DP.git