Python • Re: Script To Toggle Display Using a Physical Switch

Code:

import RPi.GPIO as GPIOimport subprocessimport time# Set up GPIO using BCM numberingGPIO.setmode(GPIO.BCM)# Set up GPIO pin for the switchswitch_pin = 17GPIO.setup(switch_pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)# Main looptry:    while True:        # Check the state of the switch        if GPIO.input(switch_pin) == GPIO.LOW:            # Switch is off, turn off the display            subprocess.run(['vcgencmd', 'display_power', '0'])        else:            # Switch is on, turn on the display            subprocess.run(['vcgencmd', 'display_power', '1'])                # Delay for a short time to avoid high CPU usage        time.sleep(0.1)except KeyboardInterrupt:    GPIO.cleanup()