37 lines
655 B
Python
37 lines
655 B
Python
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import plasma
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from plasma import plasma2040
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import time
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"""
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Make some rainbows!
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"""
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# Set how many LEDs you have
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NUM_LEDS = 50
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# The SPEED that the LEDs cycle at (1 - 255)
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SPEED = 20
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# How many times the LEDs will be updated per second
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UPDATES = 60
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# WS2812 / NeoPixel™ LEDs
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led_strip = plasma.WS2812(NUM_LEDS, 0, 0, plasma2040.DAT)
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# Start updating the LED strip
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led_strip.start()
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offset = 0.0
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# Make rainbows
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while True:
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SPEED = min(255, max(1, SPEED))
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offset += float(SPEED) / 2000.0
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for i in range(NUM_LEDS):
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hue = float(i) / NUM_LEDS
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led_strip.set_hsv(i, hue + offset, 1.0, 1.0)
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time.sleep(1.0 / UPDATES)
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