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rp2040-rx

examples/rp2040-rx/README.md

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rp2040-rx

This is a sample project for receiving audio data using RP2040 microcontroller. The chip has a built-in 12-bit ADC which is used to process the analog audio from the external microphone module in real-time.

Setup

  • Raspberry Pi Pico (or other RP2040 board)
  • Microphone, tested with the following, but others could be also supported:
    • Analog:
      • MAX9814
      • KY-037
      • KY-038
      • WS Sound sensor

Pinout

Analog Microphone

MCUMic
GNDGND
3.3VVCC / VDD
GPIO 26Out