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Cowlacious Designs shows you how to make “cave eyes”, schematic, code, circuit board layout, and parts list included or you can buy a kit/complete unit… – “This is a little microcontroller circuit that has 15 pairs of L.E.D.’s that look like rodent eyes. The pairs of eyes blink in a semi-random fashion. So, what you end up with is 15 pairs of eyes staring out at you with one pair blinking (looks like the animal had to close their eyes briefly) at a time. The pairs of eyes are on wires so that they can be placed around the cave, bushes, etc. Runs off of 4 AA batteries.” [via] – Link.

Related:
Other Cowlacious Designs electronics – Link.