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39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
import RPi.GPIO as GPIO
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import time
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GPIO.setmode(GPIO.BCM) # GPIO Numbers instead of board numbers
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RELAIS_1_GPIO = 27
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GPIO.setup(RELAIS_1_GPIO, GPIO.OUT) # GPIO Assign mode
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# here you would put all your code for setting up GPIO,
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# we'll cover that tomorrow
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# initial values of variables etc...
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counter = 0
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try:
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# here you put your main loop or block of code
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while True:
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# count up to 9000000 - takes ~20s
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time.sleep(3)
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print ("Hellooooo")
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if counter % 2 ==0:
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GPIO.output(RELAIS_1_GPIO, GPIO.LOW) # out
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else:
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GPIO.output(RELAIS_1_GPIO, GPIO.HIGH) # out
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counter += 1
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print ("Target reached: %d" % counter)
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except KeyboardInterrupt:
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# here you put any code you want to run before the program
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# exits when you press CTRL+C
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print ("\n", counter) # print value of counter
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except:
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# this catches ALL other exceptions including errors.
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# You won't get any error messages for debugging
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# so only use it once your code is working
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print ("Other error or exception occurred!")
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finally:
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GPIO.cleanup() # this ensures a clean exit
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