Simple test¶
Ensure your device works with this simple test.
1# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
2# SPDX-License-Identifier: MIT
3
4import time
5import board
6import neopixel_spi as neopixel
7
8NUM_PIXELS = 12
9PIXEL_ORDER = neopixel.GRB
10COLORS = (0xFF0000, 0x00FF00, 0x0000FF)
11DELAY = 0.1
12
13spi = board.SPI()
14
15pixels = neopixel.NeoPixel_SPI(
16 spi, NUM_PIXELS, pixel_order=PIXEL_ORDER, auto_write=False
17)
18
19while True:
20 for color in COLORS:
21 for i in range(NUM_PIXELS):
22 pixels[i] = color
23 pixels.show()
24 time.sleep(DELAY)
25 pixels.fill(0)