29 lines
467 B
Python
29 lines
467 B
Python
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import sys
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import time
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import wiringpi
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from wiringpi import GPIO
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I2C_ADDR = 0x38
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BASE = 100
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wiringpi.wiringPiSetup()
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wiringpi.pcf8574Setup(BASE, I2C_ADDR)
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i = 0
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while i < 8:
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wiringpi.pinMode(BASE + i, GPIO.OUTPUT)
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i += 1
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wiringpi.pinMode(BASE + 0, GPIO.OUTPUT)
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while True:
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try:
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wiringpi.digitalWrite(BASE + 0, GPIO.HIGH)
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time.sleep(1)
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wiringpi.digitalWrite(BASE + 0, GPIO.LOW)
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time.sleep(1)
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except KeyboardInterrupt:
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print('\nExit')
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sys.exit(0)
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