import time
import machine

print("Hello everybody")

#define LED pin 
led1_pin = machine.Pin(27, machine.Pin.OUT)

#blink LEDs
def blink(led_pin, duration_ms):
  led_pin.value(1) #LED on
  time.sleep_ms(duration_ms) #wait
  led_pin.value(0) #turn off LED

#main loop
while True:
  blink(led1_pin, 500) #blink LED 1 for 500ms
  time.sleep_ms(100) #wait 100ms




time.sleep(0.1) # Wait for USB to become ready