Fidget Spinner Speed Test with Arduino Tachometer

Testing the speed of a couple fidget spinners with our DIY Arduino Optical Tachometer. RPM Speed Test which fidget spinner is faster?!

[@SangGenerasiMuda]

Stirling magnet vs Spiner; Which one is superior 😊
ua-cam.com/video/6HZ1fnr0pv4/v-deo.html

[@paulkrush565]

My boys would have a blast with this. I should build it.

[@MakerCK]

Yes, it was a lot of fun for us as well. We have used it quite a bit actually for other projects.