This Balance Bot Uses a Mirror to See the Big Picture
We’ve seen more than our fair share of balance bots here at Hackster News over the years, but somehow, they never seem to get old. There’s just something inherently captivating about watching a collection of motors and sensors fight gravity in real time — and win.
Every now and then, someone builds a balance bot with an unusual twist that makes it especially interesting. Andrea Favero has just done that with a robot he calls MirrorBallBot that uses computer vision and a mirror to keep a ball balanced on a tilting platform.
A custom PCB keeps things neat (📷: Andrea Favero)
Favero wanted a large balancing platform, but didn’t want an oversized machine. This made things difficult — even with a Raspberry Pi Camera Module 3 Wide, achieving a sufficiently large field of vision required him to place the camera quite far from the target. Inspired by the way a...
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