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ESP32 AM Radio Transmitter

This is a simple project showing how to generate an AM radio transmission on 835kHz.

Audio2Header converts audio files to a c++ header

AMTransmitterI2S plays an audio loop. AMTransmitterI2SButton plays the audio sample on a button press.

You need an ESP32 module and a wire as antenna connected to pin 25

Watch the project video on YouTube:

and check the project page for updates:


CC0. Do whatever you like with the code but I will be thankfull if you attribute me. Keep the spirit alive :-)

  • bitluni