from machine import Pin<br>
import utime<br>
 
relay=Pin(16,Pin.OUT)<br>
led=Pin(15,Pin.OUT)<br>
 
while True:<br>
  relay.value(1)<br>
#   led.value(1)#Set relay turn on<br>
  utime.sleep(5)<br>
  relay.value(0)            #Set relay turn off<br>
  utime.sleep(5)<br>
#   led.value(0)<br>