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How to make a LED VU-METER ? Answered

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


Discussions

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Re-design

Best Answer 8 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.

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candelo

6 years ago

Take a look my VU METER project

http://candelectronica.blogspot.com/2011/12/led-vu-meter-en-un-hcs08-freescale.html

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anres321candelo

Answer 6 years ago

thanks, i'll take a look... :p

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dava_2

8 years ago

I thinks this is much better, not comply: http://users.otenet.gr/~athsam/mini_audio_analyzer.htm

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anres321dava_2

Answer 8 years ago

yes its great but I don't understand anything of it

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TheZuke!

8 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/

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TheZuke!

8 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/

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rickharris

8 years ago

Ok what you need is an LM 3916 VU display driver - the data sheet is here