I am still receiving many requests to post an Arduino Sound Machine project. I think now is the right time to prepare a primer for beginners. First, keep your expectations low, as I don’t have ...

By attaching a microphone to an Arduino, you open up a new world of things to try. • Measure the sound intensity - Turn on a red light if it gets too loud! • Give sound commands: two claps turns on a ...

This module shows how to use the Adafruit electret microphone to measure frequency. A companion module explores loudness. The presentation material and the code can be downloaded at SoundPitch.

Inside you’ll find an Arduino board, microphone, and an 8×8 RGB module. The front cover of the project box diffuses the light using a sheet of tracing paper on a frame of foam board.