rainbow_poi

Pois are usually a ball with a rope which you spin to create nice visuals. Heres a tutorial and thus showcase what they do:

• https://www.spinmorepoi.com/uber-beginner/

I like LEDs and IMUs, which is why I added them. Now you can draw with colors!

You can read/see everything here:

• rainbow_poi: Firmware, Case and “PCB”
• rainbow_app: The controllapp for the BLE interface of the Poi

Enjoy!