mirror of https://github.com/joan2937/pigpio
33 lines
554 B
Python
33 lines
554 B
Python
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#!/usr/bin/env python
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import time
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import pigpio
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#
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# OH3144E or equivalent Hall effect sensor
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#
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# Pin 1 - 5V
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# Pin 2 - Ground
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# Pin 3 - gpio (here P1-8, gpio 14, TXD is used)
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#
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# The internal gpio pull-up is enabled so that the sensor
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# normally reads high. It reads low when a magnet is close.
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#
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HALL=14
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pi = pigpio.pi() # connect to local Pi
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pi.set_mode(HALL, pigpio.INPUT)
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pi.set_pull_up_down(HALL, pigpio.PUD_UP)
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start = time.time()
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while (time.time() - start) < 60:
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print("Hall = {}".format(pi.read(HALL)))
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time.sleep(0.2)
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pi.stop()
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