Android Things with Kotlin
Utility:
https://github.com/jacklt/EasyRainbowHat/blob/master/app/src/main/java/it/justonetouch/thingtest/EasyRainbowHat.kt
Example:
https://github.com/jacklt/EasyRainbowHat/blob/master/app/src/main/java/it/justonetouch/thingtest/MainActivity.kt
![Video preview](https://github.com/jacklt/EasyRainbowHat/raw/master/easy-rainbow-hat-preview.gif?raw=true&raw=true)