Important note about various 5v addressable RGB leds: The Adafruit NeoPixel library has some stability issues when using the Oak in SYSTEM_MODE(AUTOMATIC). While a sketch may run for hours, possibly even days, I have yet to get one to run reliably using the Adafruit Neopixel library. [[https://github.com/Makuna/NeoPixelBus|I have had good success using the NeoPixelBus library by Makuna]]