| Phased arrays of ultrasonic transducers allow levitating small objects like tiny foam balls and move them around. When the ball is moved fas...
More about pov (6)
| A fidget spinner is a rotating contraption ideal to toy your time away with persistance of vision. You'll soon be experimenting with display...
| -- Hey guys, look what I made. I put a ball bearing in the center of this flat multi-lobed structure so that it can spin along its axis. Tha...
![POV Fidget Spinner [160595]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.com%2Fassets%2Fupload%2Fimg%2Fpublic%2Foriginal%2F20170717-190648-2.jpg)
| This will be a Persistance Of Vision fidget spinner.
![High-end propeller clock [120732]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.com%2Fassets%2Fupload%2Fimg%2Fpublic%2Foriginal%2Fimg-9899-0.JPG)
| Buy it here!A propeller clock, also known as a Persistance Of Vision (POV) display is based on a mechanically moving led row. This led row i...
| Buy it here!A propeller clock, also known as a Persistance Of Vision (POV) display is based on a mechanically moving led row. This led row i...