GPIO.setmode(GPIO.BOARD)
# The input pin of the Sensor will be declared. Additional to that the pullup resistor will be activated.
GPIO_PIN = 29
GPIO.setup(GPIO_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP)
print("Sensor-Test [press ctrl+c to end it]")
# This output function will be started at signal detection
def outFunction(null):
print("Signal detected")
# At the moment of detecting a Signal ( falling signal edge ) the output function will be activated.
GPIO.add_event_detect(GPIO_PIN, GPIO.FALLING, callback=outFunction)
try:
while True:
sleep(1)
except KeyboardInterrupt:
# here you put any code you want to run before the program
# exits when you press CTRL+C
print("An error or exception occurred!")
except:
# this catches ALL other exceptions including errors.
# You won't get any error messages for debugging
# so only use it once your code is working
print("Other error or exception occurred!")
def edge_detect(port, event_callback):
"""Add detection for RISING and FALLING events."""
_LOGGER.debug("Add callback for GPIO pin %i", port)
GPIO.add_event_detect(port, GPIO.BOTH, callback=event_callback)
