29 lines
700 B
Python
29 lines
700 B
Python
# CircuitPlaygroundExpress_LightSensor
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# reads the on-board light sensor and graphs the brighness with NeoPixels
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from simpleio import map_range
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from analogio import AnalogIn
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import board
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import neopixel
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import time
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pixels = neopixel.NeoPixel(board.NEOPIXEL, 10, auto_write=0, brightness=.05)
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pixels.fill((0,0,0))
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pixels.show()
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analogin = AnalogIn(board.LIGHT)
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while True:
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#light value remaped to pixel position
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peak = map_range(analogin.value, 2000, 62000, 0, 9)
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print(analogin.value)
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print(int(peak))
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for i in range(0, 9, 1):
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if i <= peak:
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pixels[i] = (0, 255, 0)
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else:
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pixels[i] = (0,0,0)
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pixels.show()
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time.sleep(0.01)
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