import RPi.GPIO as GPIO import time GPIO.setwarnings(False) AlarmPin = 24 SensorPin = 4 pwmChannel = 12 GPIO.setmode(GPIO.BCM) GPIO.setup(SensorPin, GPIO.IN) GPIO.setup(AlarmPin, GPIO.OUT) GPIO.setup(pwmChannel, GPIO.OUT) GPIO.output(AlarmPin, GPIO.HIGH) pwm = GPIO.PWM(pwmChannel, 1000) GPIO.SetPWMrange(pwmChannel, 5000) def Beep(x): GPIO.output(AlarmPin, GPIO.LOW) time.sleep(x) GPIO.output(AlarmPin, GPIO.HIGH) time.sleep(x) def dontBeep(): GPIO.output(AlarmPin, GPIO.LOW) try: while True: