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20 lines
540 B
Python

# button setup (connect to GND and board Pin 21)
import RPi.GPIO as GPIO # GPIO pins
#import time
def print_button():
GPIO.setmode(GPIO.BOARD) #Use the physical board number (not GPIO numbering)
GPIO.setup(21, GPIO.IN, pull_up_down=GPIO.PUD_UP) #Change pin if necessary #print button
GPIO.setwarnings(False) #Ignore warnings
print_button_pressed = False
if GPIO.input(21) == GPIO.LOW:
#time.sleep(1)
print_button_pressed = True
GPIO.cleanup() #GPIO clean up
return print_button_pressed