You would need a device to drive a video signal to it at the correct resolution. That would be a lot of work to build and hard to find.L
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thanks guys. thanks for your help.
<a href="http://hackaday.com/2009/10/06/doom-on-a-picture-key-chain/">hackaday.com/2009/10/06/doom-on-a-picture-key-chain/</a><br />
That's pretty good.L
Someone posted on hackaday playing doom on a small embedded computer that 'spoke' keychain. It was a LOT of extra work.