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Old 14th March 2013, 01:44 AM   #1
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Join Date: Mar 2013
Question DIY audio spectrum kits.

Hey all!

Does anyone know of any DIY audio spectrum kits off the net? I'm wanting one for an amp I'm building.
I've been looking around with little luck, I found one but it costs $225 which i think is a bit much
Would there be a way of pulling apart a screen from a cheap tablet off eBay an modifying it any way?

Any suggestions are welcome

This is the one I found; 20 Band Audio Spectrum Analyzer (assembled) [v2.1] - $140.00 : Youritronics, shop for electronic kits

Apologies if I posted in the wrong section!

Cheers
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Old 14th March 2013, 04:36 AM   #2
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Join Date: Jul 2003
Location: Dona paula, Goa
You can even buy a cheap second hand laptop and use some software.

Gajanan Phadte
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Old 14th March 2013, 10:45 AM   #3
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Location: amsterdam
I would try an arduino with some of these:

File:MFrey LED Bar.JPG - Wikimedia Commons

These bars are cheap, and someone made code for 4 leds here:
https://www.youtube.com/watch?v=___XwMbhV4k

Looks like the one you found also needs a controller.
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Old 14th March 2013, 11:05 PM   #4
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Quote:
Originally Posted by gerben00 View Post
I would try an arduino with some of these:

File:MFrey LED Bar.JPG - Wikimedia Commons

These bars are cheap, and someone made code for 4 leds here:
https://www.youtube.com/watch?v=___XwMbhV4k

Looks like the one you found also needs a controller.
Thankyou ! That looks pretty awesome, will definitely look into it
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Old 15th March 2013, 12:52 AM   #5
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Any idea where to buy some?
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Old 15th March 2013, 10:47 AM   #6
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Join Date: Jun 2011
Location: amsterdam
I would look at sparkfun, they have arduino's and led bars:

https://www.sparkfun.com/search/resu...&what=products

If you go the arduino route (which is fun), i would first ask the same question at the arduino forum. Most likely someone did something similar and can tell exactly what you need.
Also i think sparkfun is not the cheapest reseller, for instance i can buy those led bars for €0.85 in the netherlands.

Here is the arduino forum:
Index - Arduino Forum
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Old 16th March 2013, 07:17 AM   #7
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Quote:
Originally Posted by gerben00 View Post
I would look at sparkfun, they have arduino's and led bars:

https://www.sparkfun.com/search/resu...&what=products

If you go the arduino route (which is fun), i would first ask the same question at the arduino forum. Most likely someone did something similar and can tell exactly what you need.
Also i think sparkfun is not the cheapest reseller, for instance i can buy those led bars for 0.85 in the netherlands.

Here is the arduino forum:
Index - Arduino Forum
Thats great! Thanks for your help, much appreciated
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