Recommend little trackball and arduino

A tiny, RGBW-illuminated, clickable Trackball Breakout that's perfect for adding navigation or control to your Raspberry Pi or Arduino projects.

Picked up this trackball and it works great. This GitHub also got me started with Arduino code:

2 comments

Weird how the pictures don't look like a ball at all. The description definitely describes a ball, though. Any insight into that? Just bad photos or low contrast or something else?
- There's a holder to keep it in place. Basically just like a blackberry.