![]() All the electronics and the mechanics are not needed here. I needed to do some research to find out how to use them.īasically I used the vu-meter, and some components I took from a PIR pcb, also from kalleb, and an old cd-rom drive from sony. The schematics of this devices that you can find on the internet are wrong. On one of them the counter did not work, but who cares? You don't need the counter. They are rather old and not all that I bought where working completely. The vu meters are taken out of some russian tape recorder. You should have a look at this wikipedia article. A vu meter does display the audio level of a audio amplifier. Some of them also do not behave like vu meters. Some of them are spectrum analyzers, calling them vu meters is wrong. ![]() On the Internet you can find a bunch of DIY vu meters, a few of them based on vfd displays. ![]()
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