39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Example RGB to Neopixel LED
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"""
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from rpi_ws281x import Adafruit_NeoPixel, Color
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# NeoPixel configuration
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PIN_NEO_PIXEL = 18
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NUM_PIXELS = 24
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DELAY_INTERVAL = 50
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# Create NeoPixel object
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NeoPixel = Adafruit_NeoPixel(NUM_PIXELS, PIN_NEO_PIXEL)
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NeoPixel.begin() # Initialize NeoPixel strip object
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try:
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while True:
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# Turn on all pixels to green
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for pixel in range(NUM_PIXELS):
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NeoPixel.setPixelColor(pixel, Color(0, 255, 0))
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NeoPixel.show()
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time.sleep(DELAY_INTERVAL / 1000.0)
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time.sleep(2)
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# Turn on all pixels to red
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for pixel in range(NUM_PIXELS):
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NeoPixel.setPixelColor(pixel, Color(255, 0, 0))
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NeoPixel.show()
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time.sleep(DELAY_INTERVAL / 1000.0)
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time.sleep(2)
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except KeyboardInterrupt:
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# Clean up code before exiting the script
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for pixel in range(NUM_PIXELS):
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NeoPixel.setPixelColor(pixel, Color(0, 0, 0))
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NeoPixel.show()
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time.sleep(DELAY_INTERVAL / 1000.0)
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