DIY audio spectrum kits.

[Biggie1494]

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

 

[gmphadte]

You can even buy a cheap second hand laptop and use some software.

Gajanan Phadte

 

[gerben00]

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.

 

[Biggie1494]

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

 

[Biggie1494]

Any idea where to buy some?

 

[gerben00]

I would look at sparkfun, they have arduino's and led bars:

https://www.sparkfun.com/search/results?term=led+bar&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

 

[Biggie1494]

I would look at sparkfun, they have arduino's and led bars:

https://www.sparkfun.com/search/results?term=led+bar&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