How can I make LED's falsh to the beat of my music?

punkrokr1701 · 28th September 2006, 03:56 AM

ok, I've always been curious about how LED's flash to the beat of the music ever since I saw these nifty little mini component steroes.

How would I get the same effect that they give?

Geek · 28th September 2006, 04:57 AM

Google "color organ". Was quite the thing in the 70's and early 80's

The Peasant · 28th September 2006, 05:10 AM

Here's one from my website:

http://www.electronicpeasant.com/pro.../ledcolor.html

Take care,
Doug

Geek · 28th September 2006, 06:14 AM

Super project Doug, thanks and bookmarked!

cpemma · 28th September 2006, 04:41 PM

Quote:

Google "color organ"

Or look for 'vu meter' and/or get the LM3915 & LM3916 datasheets.

zapnspark · 28th September 2006, 05:16 PM

Take a look at the NATIONAL LP3950 chip.

See:
http://www.national.com/pf/LP/LP3950.html

Nordic · 28th September 2006, 05:17 PM

to get behind what makes it work, you would need to look at a simple voltage comparator circuit like using an lm311

good example... http://www.electronics-lab.com/proje...004/index.html

Leolabs · 29th September 2006, 02:46 AM

Try this for only 1 LED.

28th September 2006, 03:56 AM	#1
punkrokr1701 diyAudio Member Join Date: Aug 2006	How can I make LED's falsh to the beat of my music? ok, I've always been curious about how LED's flash to the beat of the music ever since I saw these nifty little mini component steroes. How would I get the same effect that they give?

28th September 2006, 05:10 AM	#3
The Peasant diyAudio Member Join Date: Mar 2004 Location: Sunny Alberta	Here's one from my website: http://www.electronicpeasant.com/pro.../ledcolor.html Take care, Doug __________________ The Electronic Peasant www.electronicpeasant.com

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28th September 2006, 04:57 AM	#2
Geek diyAudio Member Join Date: Sep 2004	Google "color organ". Was quite the thing in the 70's and early 80's

28th September 2006, 06:14 AM	#4
Geek diyAudio Member Join Date: Sep 2004	Super project Doug, thanks and bookmarked!

28th September 2006, 05:16 PM	#6
zapnspark diyAudio Member Join Date: Sep 2006 Location: Midwest	Take a look at the NATIONAL LP3950 chip. See: http://www.national.com/pf/LP/LP3950.html

28th September 2006, 05:17 PM	#7
Nordic diyAudio Member Join Date: Sep 2005	to get behind what makes it work, you would need to look at a simple voltage comparator circuit like using an lm311 good example... http://www.electronics-lab.com/proje...004/index.html

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