How to make a LED VU-METER ?

hello guys,
I would make a led VU-meter but I don't understand anything of the circuits, can someone make an easy instructable of it ?


IT MUST BE EASY AND CHEAP !!

click here for the circuit



Picture of How to make a LED VU-METER ?
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Re-design7 years ago
Here's an instructable that uses that exact or very similar circuit.

You can't do it much simpler that this.  It takes a certain number of parts to make something work.
anres321 (author)  Re-design7 years ago
ok thank you
candelo5 years ago
Take a look my VU METER project

http://candelectronica.blogspot.com/2011/12/led-vu-meter-en-un-hcs08-freescale.html
anres321 (author)  candelo5 years ago
thanks, i'll take a look... :p
dava_27 years ago
I thinks this is much better, not comply: http://users.otenet.gr/~athsam/mini_audio_analyzer.htm
anres321 (author)  dava_27 years ago
yes its great but I don't understand anything of it
TheZuke!7 years ago
or http://hackaday.com/2008/07/02/vu-meter-made-with-an-lm3915/ http://hackaday.com/2008/11/21/graduation-gown-vu-meter/
anres321 (author)  TheZuke!7 years ago
thanks XD
TheZuke!7 years ago
Some other possiblities: http://hackaday.com/2009/08/08/giant-bulb-vu-meter/ http://hackaday.com/2010/03/05/a-vu-meter-for-your-psp/ http://hackaday.com/2010/04/22/usb-vu-meter/
rickharris7 years ago
Ok what you need is an LM 3916 VU display driver - the data sheet is here
anres321 (author)  rickharris7 years ago
ok thanks