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Author Message   David_nebenzahl Tinkerer Username: David_nebenzahl Post Number: 159 Registered: 12-2009 Rating: N/A Votes: 0 Posted on Monday, February 15, 2010 - 06:47 pm:    Paul: I'd be glad to post the schematic (GIF or PDF), but where? Is there some place on this site? or elsewhere? (don't know if I'm ready to post a full-blown article on that document site, what's it called?). Programming is another story. I can give you some hints, but I'm not sure what you would do with SX assembly language, which is what I wrote the code in. (Can probably give you some pseudo-code, though.) As I said, I think the cost was about $40. That included the metal case and all the fixin's (switches, pushbuttons, etc.).