43 lines
852 B
Python
43 lines
852 B
Python
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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'''
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SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
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SPDX-License-Identifier: MIT
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'''
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# Simple test for NeoPixels on Raspberry Pi
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import time
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import board
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import neopixel
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# Choose an open pin connected to the Data In of the NeoPixel strip, i.e. board.D18
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# NeoPixels must be connected to D10, D12, D18 or D21 to work.
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pixel_pin = board.D18
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# The number of NeoPixels
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num_pixels = 14
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# The order of the pixel colors - RGB or GRB. Some NeoPixels have red and green reversed!
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# For RGBW NeoPixels, simply change the ORDER to RGBW or GRBW.
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ORDER = neopixel.GRB
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pixels = neopixel.NeoPixel(
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pixel_pin, num_pixels, brightness=0.2, auto_write=False, pixel_order=ORDER
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)
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def cls():
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print('Cls')
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pixels.fill((0, 0, 0))
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pixels.show()
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if __name__ == '__main__':
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cls()
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