A sound sensor is a simple, easy-to-use, and low-cost device that is used to detect sound waves traveling through the air. Not only this but it can also measure its intensity and most importantly it ...

This project turns on and turns off a laser LED after every second. It can also monitor its own supply voltage level. The circuit can be extended for use as an audio-visual alarm system for security ...

You’ll learn how to use the KY-037 sound detection sensor with Arduino. You can measure changes in the intensity of sound in an environment. This module consists of a sensitive capacitance microphone ...