Audio Sound Level Meter

jacky October 16, 2018 4 Comments
Sound Level Meter Circuit What is a sound level meter? A sound level meter is a handy equipment used to display sound levels. There are wide ranges of these devices; some show a digital numerical output of how many decibels...
read more

Volume Control Circuit

jacky October 16, 2018 3 Comments
Digital Volume Control Circuit All audio amplifiers have some mechanism to increase and decrease volume. Most such mechanisms involve mechanical parts like a potentiometer. Here this project is to create an audio controller which works digitally. This is a...
read more