We're showing how to use KY-038 Sound Sensor using Arduino. You can control LED by clap with the help of Arduino and sound sensor.

My project is a button controlled siren with different LED transitions. You can change the siren sound with each press.

From Siri to Amazon's Alexa, we're slowly coming to terms with talking to machines. Build your own voice command device with this tutorial.

A discussion about digital sound synthesis.

Countertop lighting? No problem!