How can I wirelessly transmit audio from an Arduino by microphone to another Arduino to broadcast it by loudspeaker in real time over 150m using nrf24l01

Other Hardware Audio
2

First step is to convert the audio to digital. You do that, very poorly, using the analog to digital pin on the Arduino. When you can do that and see the returned A/D values on the serial monitor, then you can consider transmitting those values.
Paul

1 Like