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.

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.

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.

Play Super Mario Bros theme song on a piezo buzzer! It’s very simple and fun, and great as a beginner Arduino project.

Homemade theremin for a glove using Arduino Nano, light sensor and piezo.

Countertop lighting? No problem!