There’s nothing better than making a giant version of one of your hacks. That is, other than making it giant and interactive. That’s just what [Est] has done with his interactive VU meter that lights ...

If you’ve ever wanted to make your own VU meter but were scared off by the signal process you need to study this tutorial. The one drawback to the hardware choices made here is that there are only ...

This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels into the LEDs just like any audio level bar indicator will do. It is simple ...

VU is an abbreviation for volume unit. Thus, a VU meter is a device for measuring the level of sound intensity with audio equipment, such as amplifiers and tape recorders. Although the measurements ...

Audio metering is present in almost any equipment that plays or records audio – from cell phones displaying bar graphs of audio output levels, to home stereos with flashing LEDS, to live broadcasting.

It is roughly the average signal level though not precisely. A VU meter is not recommended as the sole metering method for digital systems - it is too slow to catch transients which may overload the ...