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  1. Electronic/Software: Light/IR Sensors - Making an interrative haunt display. Any ideas?

    Halloween Props
    As most of you probably know, the "motion sensors" on many store bought props actually are some form of resistor that senses abrupt changes in light. The other day while playing with some of my store bought props, I had an idea that I'd like to use for next year. I would like to set up each...