Instructables user r570svdocuments a Star Trek Andorian rotating antennae cosplay build.
(My) wife decided to be a Andorian for the upcoming Silicon Valley Comic Con in San Jose to match my Elvis Captain Kirk costume. While the face painting/makeup and the rest of the costume took quite a bit of time I couldn’t let the antenna just be static. I decided to make them turn and rotate on a somewhat random basis. Turns out lots of people sell both static Andorian antenna and those that already rotate. But the $100 price tag was too pricey and I’m a DIY guy anyway.
Since time was short I located some 3d printed antenna off of Etsy vs. trying to make them.
Two micro servos provide the rotation, controlled by a tiny Adafruit ItsyBitsy 32u4 microcontroller. The battery charge was sufficient to last the entire show!
Here’s a video of the antenna rotation being tested:
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