Disco balls take a zillion mirrors glued to a sphere and shine a spotlight on them. But what if the ball itself was the light source? Here’s a modern version that uses addressable LEDs in a 3D-printed sphere that also hides the electronics inside the ball itself.
Check out the video below to see the fantastic results. It’s a Teensy 3.6 driving a whopping 130 WS2812 LEDs to make this happen. (The sphere has the highest surface area to volume ratio!) There’s even a microphone and an accelerometer to make the orb interactive. Hidden inside is a 4400 mAh battery …read more
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