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  1. Pneumatic: Computer chip to trigger chip hook up help

    Halloween Props
    Hey all! So I purchased a computer chip/board from Cowlacious Designs in Nevada. The board and sound work good, but he sold me a seperate chip/trigger board for my 'trigger' which then, I'm assuming goes to my MAC valve, thus allowing air to flow, when triggered, to my prop. This is a first...
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