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26 lines
559 B
Python
26 lines
559 B
Python
#!/usr/bin/python3
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# Datei ultraschall.py
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import time
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import RPi.GPIO as GPIO
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GPIO.setmode(GPIO.BCM)
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trig = 5 # GPIO-Pin-Nummern
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echo = 17
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GPIO.setup(echo, GPIO.IN)
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GPIO.setup(trig, GPIO.OUT)
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while True:
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GPIO.output(trig, True)
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time.sleep(0.00001) # 10 Mikrosekunden
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GPIO.output(trig, False)
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while GPIO.input(echo) == 0:
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pass
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start = time.time()
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while GPIO.input(echo) == 1:
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pass
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ende = time.time()
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entfernung = ((ende - start) * 34300) / 2
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print("Entfernung:", entfernung, "cm")
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time.sleep(0.5)
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