I love all about electronics, circuit diagrams and crazy projects that can help us achieve almost everything our mind can conceive. I created this website and I want to invite you to participate in ...

So here’s the situation: you have an audio device, maybe a boombox, perhaps one you built yourself, but it has no VU meter. No problem; building a VU meter is easy with these instructions from [Joe].

The circuit was designed by two monolithic integrated circuits to measure the level of audio signals whose unit of measurement is known as volume unit. Volume Unit – an entity equal to a decibel for ...