The Serial Monitor prints LOUD,LOUD when sound is detected Otherwise it Prints Quiet int soundDetectedPin = A0; // Use Pin 10 as our Input int soundDetectedVal = HIGH; // This is where we record our ...

detection of sound. Sound sensors can be used for a variety of things, one of them could be turning lights off and on by clapping.the sound level set point is adjusted via an on board potentiometer.

A solution for some sensors comes courtesy of [Ruslan Nagimov], who shows us how the PC sound card can become a measurement interface. The idea is that simple resistive or capacitive sensors can ...