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.

A discussion about digital sound synthesis.

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.

The small MIDI decoder was constructed to support LED indicators for stops switches in software GrandOrgue or Hauptwerk (VPO).

Countertop lighting? No problem!