GPIO.setmode(GPIO.BCM) TRIG = 23 ECHO = 24 GPIO.setup(TRIG,GPIO.OUT) GPIO.setup(ECHO,GPIO.IN) GPIO.output(TRIG, False) time.sleep(2) GPIO.output(TRIG, True) time.sleep(0.0001) GPIO.output(TRIG, False) While GPIO.input(ECHO)==0 : pulse_start = time.time() While GPIO.input(ECHO)==1 : pulse_end = time....