Build a Screaming Cauldron with this new Adafruit Learn Guide! This terrifying illuminated bowl will give trick-or-treaters quite a scare when they reach for candy and trip the distance sensor!
An IR proximity sensor, Trinket M0, NeoPixel strip, and AudioFX sound board plugged into powered speakers combine to make a booby trapped candy bowl. The CircuitPython program measures the distance of objects in front of the IR sensor, and changes the LED colors to match. Then, when you get too close, it screams bloody murder!!
Full build video here from John Park’s Workshop Live:
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