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I like the thought of sending serial print commands to my TV set. This shield, by the awesomely named Batsocks, was designed to do just that. It was originally designed for PAL signals, but has been modified now to output to NTSC sets as well.

This would be useful for picture-in-picture mode on a TV set while debugging Arduino-based video game cheating projects





John Edgar Park

John Edgar Park likes to make things and tell people about it. He works in CG animation at DisneyToon Studios and writes for Make, Boing Boing, and other places online and in print. You can find him at and twitter @johnedgarpark — if you like that sort of thing.

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