DIY LED?

I have thought about this, but I do not have the time! I think it would be do-able from a technical perspective, using some sort of detector mounted on a book shelf and focused on the screen. Surely some sort of Arduino system can be used, but I have no idea on the technical limitations of this. I do not have the knowledge to do this (yet) but its the time that is the biggest limitation!
 
While the Arduino is a nice bit of kit, I'm not sure if it would have the power to calculate the average RGB values of a frame 30 or so times a second.

Another option would be to use the RGB signal from the SCART or component outputs on your device. It's already analogue, and you would not need a camera or detector.

This could turn out to be a nice solution, and far simpler than I first thought...
 
Its an intriguing concept!

Bound to be cheaper than the commerical solutions, but will certainly be messier.

The hardware for the LED's would be nice and easy, since you only need 3 colours. Hmm, I have been thinking, and I like this idea . . . . Now if only I knew how to do the actual control part of it :D.
 
ambilight is offputting, but a solid colour helps improve percieved contrast quite a lot.

A lot of people, myself included, got ours through NoodleMan over at avforums. IT's called the apollo lighting kit, it's led-based lighting in various length tubes to suit any setup, and using a combination of red green and blue led's in each tube, it's capable of just about any colour combination you could want. It isnt cheap, but it does the job well, it's remote controlled and it's expandable allow more tubes and any combination of lengths. http://www.neon-lights.co.uk/index....ghting/apollo-ambient-lighting-kits/c_10.html

ask on the thread over at av forums http://www.avforums.com/forums/home...control-ambient-lighting-kit-neon-lights.html and you might even get a discount, along with the best advice as to what kit to buy ;)
 
My idea for the method would be to use a TV card of some sort and capture the stream, and sample it with a software framegrabber perform the calcuations, and then output that to the LED controller...
 
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