Sound Amp Hacks

Basically, a VU Meter measures loudness (volume units) of an audio signal. But this blinking VU meter project catches the eye more than the ear. The construction of the VU meter using 12 flashing bulbs is relatively simple. At the heart is a 12...

With the help of some external hardware and a handheld wireless device such as an iPhone or iPod touch, you can build your own wireless music remote. It's a bit spendy if you don't already have an Iphone/iTouch and a router, but there's a step by...