LED based music spectrum is quite famous and almost everyone would have used music systems which has one of these. With some components, LEDs and some wires we can make this type of music spectrum. But here in this circuit… Read more
Source : EFY Sensor circuits are widely available and are of several types each possessing significant uses. The above sound sensor alarm circuit is one of that kind where it was used to detect the sound signals in the environment…. Read more
