import time 
TRIG_PIN = 2 
ECHO_PIN = 3 
PUMP_PIN = 4 
LED_PIN = 5 
ultrasonic_sensor = Ultrasonic(TRIG_PIN, ECHO_PIN) 
pump = Motor(PUMP_PIN) 
led = LED(LED_PIN
while True:
 distance = ultrasonic_sensor.distance_cm 
 if distance > 200: 
 led.blink(on_time=0.5, off_time=0.5) 
 pump.on() # Water pump is turned on
 else:
 led.off()
 pump.off()
 time.sleep(0.1)