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What's the best appproch to make a homebrew Pinball Machine?
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srarcade:
That mini-pin is very cool indeed! I only wish the guy used speakers that were more in proportion to the rest of the cabinet, they look too big. Tempting to build but I think I would feel like in the end I would really miss the physical element that only real pinball can offer.

However...this does give thought to building a real mini pinball machine though! I've done quite a bit of reading on serial port and parallel port programming and its not too difficult to drive relays or a simple LCD display with a custom program. The parts could utilize mini-playfield spares from various games and you could make as a simple C program on linux and run the thing off one of those mini mobos and CF media!
BobA:
Problems with serial and parallel ports on a PC for I/O are the inherent delays and inaccurate timming.  A control type microprocessor or embedded PC with lots of direct I/O would be much more responsive for the application.  The PC 104  sbc and i/o are very good at it but rather pricey.  Have seen some great buys on ebay for various PLCs that have been replaced with newer equipment.
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