A very simple ROS2 node for controlling a NeoPixel Ring.
Built for the Raspberry Pi, based on Adafruits NeoPixel library.
For more info and wiring please visit [Adafruit](sudo pip3 install rpi_ws281x adafruit-circuitpython-neopixel)
sudo pip3 install rpi_ws281x adafruit-circuitpython-neopixel