Neopixel

Stemi Shield has one NeoPixel included on the board. It can be accessed through pin board.IO11.

Library

Library for NeoPixel is provided by Adafruit.

Example

main.py

import board
import neopixel

pixels = neopixel.NeoPixel(board.IO11, 10, auto_write=False)
pixels[0] = (10, 0, 0)
pixels.show()