To catch up see Part One, Part Two, or Part Three. When we last left off, the visual elements of the Operation board were done. Now it was time to make it work like the game itself. And happily I got it to do just that. Here's how, but first a brief disclaimer - Not being a "master of" or "trained in" electronic propmaking, this is what worked FOR ME. I'm not saying here what I did is the best way or the safest. Even though it uses a fairly low wattage set-up, it's still electrical and…
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