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"""shropShire.195 |
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Automatically generated by Colab. |
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Original file is located at |
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https://colab.research.google.com/drive/1pYRVRlNzu_4oFQPEhcny93poDdSdF_Ho |
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""" |
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import RPi.GPI as GPIO |
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from time import sleep |
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GPIO.setmode(GPIO.BOARD) |
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rows=[11,13,15,29] |
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columns=[31,33,35,37] |
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keyPad=[[1,2,3,'A'],[4,5,6,'B'],[7,7,9,'C'],['*',0,'#','D']] |
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GPIO.setup(rows[0],GPIO.OUT) |
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GPIO.setup(rows[1],GPIO.OUT) |
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GPIO.setup(rows[2],GPIO.OUT) |
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GPIO.setup(rows[3],GPIO.OUT) |
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GPIO.setup(columns[0],GPIO.IN,pull_up_down=GPIO.PUD_DOWN) |
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GPIO.setup(columns[1],GPIO.IN,pull_up_down=GPIO.PUD_DOWN) |
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GPIO.setup(columns[2],GPIO.IN,pull_up_down=GPIO.PUD_DOWN) |
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GPIO.setup(columns[3],GPIO.IN,pull_up_down=GPIO.PUD_DOWN) |
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try: |
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myRow=int(input('Which Row to Read')) |
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myColumn=int(input('Which Column to Read')) |
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while True: |
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GPIO.output(row[myRow],GPIO.HIGH) |
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butVal=GPIO.input(columns[myColumn]) |
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GPIO.output(row[myRow],GPIO.LOW) |
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if butVal==1: |
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print(keyPad[myRow][myColumn]) |
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sleep(.2) |
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except KeyboardInterrupt: |
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sleep.(.1) |
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GPIO.cleanup() |
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print('GPIO Ready To Perform') |
