38 lines
931 B
Python
38 lines
931 B
Python
"""
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'neopixel_builtin.py'.
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=================================================
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playing with the metro express builtin NeoPixel
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"""
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import time
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import board
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import neopixel
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# we only have one neopixel on our metro express
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NEO = neopixel.NeoPixel(board.NEOPIXEL, 1)
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NEO.brightness = 0.5
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# primary colors
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RED = (255, 0, 0)
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GREEN = (0, 255, 0)
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BLUE = (0, 0, 255)
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COLORS = [RED, GREEN, BLUE]
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for i in COLORS:
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NEO[0] = i
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NEO.show()
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time.sleep(0.3)
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# shows all colors by trying all combinations of RGB levels
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for red_level in range(0, 256, 100):
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for green_level in range(0, 256, 100):
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for blue_level in range(0, 256, 100):
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print("red: ", red_level, "green: ", green_level, "blue: ", blue_level)
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NEO[0] = (red_level, green_level, blue_level)
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NEO.show()
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# wait 0.2 seconds to give us time to see the colors
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time.sleep(1)
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NEO[0] = (0, 0, 0)
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NEO.show()
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