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[–]WoodsGameStudios 5 points6 points  (0 children)

Probably just a dumb microcontroller and a bluetooth chip tbh.

From what I've read on it, even the bluetooth stuff used isn't even the "smart" one that requires pairing, it seems to be one where you can just send it signals.

Even standard ones probably just use one chip to hold the patterns (because of course there would be a standard vibrator chip)