Updated guide: EYE SHOOTOUT: Contrasting Open Source and Big Retail Electronics
A couple years back we started seeing Adafruit Monster M4sk-style animated LCD eyes in Halloween yard props from Home Depot and elsewhere, and cracked one open to see how design goals yield different approaches. Time marches on, and now the gag…or a budget approximation…has arrived in under-$20 masks. An added page with teardown shows how they managed to further simplify a design and reduce costs.
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