print("Hello, ESP32!\n")
print ("This program is to test the built-in LED blinking on ESP32\n")
print ("Remarks : Observe the BLUE LED on the board")

from machine import Pin 
from utime import sleep

led_blue = Pin(27,Pin.OUT)
led_red = Pin (14,Pin.OUT)
led_green = Pin (13,Pin.OUT)
led_orange = Pin (12,Pin.OUT)

while True :
    led_blue.on()
    led_green.on()
    led_red.on()
    led_orange.on()

    led_red.on ()
    sleep (0.33)
    # led_red.off()
    
    # led_green.on ()
    sleep (0.5)
    led_green.off()
    sleep(0.04)

    # led_orange.on ()
    sleep (0.6)
    led_orange.off()
    sleep(1)