from machine import Pin, Timer
import time

led = Pin(25, Pin.OUT)
cricket = Pin(15, Pin.OUT)
timer = Timer()

def foo(timer):
	led.value(1)
	cricket.value(1)
	time.sleep(0.8)
	led.value(0)
	cricket.value(0)

# The freq = 0.00333 represents 5 minutes interval
timer.init(freq=0.00333, mode=Timer.PERIODIC, callback=foo)