Motion Tracking Eye in a Jar @Raspberry_Pi #PiDay #RaspberryPi

Via RaspberryPi.org:

Using motion detection and a Raspberry Pi Zero W, Lukas Stratmann has produced this rather creepy moving eye in a jar. And with a little bit of, ahem, dissection, you can too!

We hear you. Among the Raspberry Pi projects we’ve shared on this blog, Lukas’s eye in a jar is definitely one of the eww-est. But the idea and the tech behind it is quite fascinating.

Lukas hasn’t shared the code for his project online. But with a bit of sleuthing, we’re sure the Raspberry Pi community can piece it together.

What we do know is that the project uses a Raspberry Pi Zero W, a camera, some magnets, a servo, and a ping pong ball, with a couple of 3D-printed parts to keep everything in place.

Lukas has explained:

“I embedded some neodymium magnets in a ping-pong ball that I’d cut open. The magnets and weights (two 20 Euro cent coins) are held in place by a custom 3D-printed mount. Everything is glued in with hot glue, and I sealed the ping-pong ball with silicone sealant and painted it with acrylic paint.”

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