27 lines
503 B
Python
27 lines
503 B
Python
import RPi.GPIO as GPIO
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import time
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# photo sensor on PIN 4
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GPIO.setmode(GPIO.BCM)
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GPIO.setup(4, GPIO.IN)
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# LED on PIN 17
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GPIO.setup(17, GPIO.OUT)
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GPIO.output(17, GPIO.LOW)
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try:
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print('Start sensor test')
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while True:
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time.sleep(0.25)
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if (GPIO.input(4) == GPIO.LOW):
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print('LOW')
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GPIO.output(17, GPIO.LOW)
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else:
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print('HIGH')
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GPIO.output(17, GPIO.HIGH)
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except KeyboardInterrupt:
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print('bye')
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GPIO.cleanup()
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