#####################################
###### IMPORT LIBRARIES
from machine import Pin
from utime import sleep

#####################################
###### PIN CONFIGURATIONS

# Configure the pin as output
# Replace the x with your GPIO Pin x number here
red_pin = Pin(17, Pin.OUT)

# Replace the y with your GPIO Pin y number here
green_pin = Pin(16, Pin.OUT)

# Replace the z with your GPIO Pin z number here
blue_pin = Pin(15, Pin.OUT)

#####################################
###### MAIN ROUTINE

def main():

    while True:
        # call the led subroutine here
        sub_rgb_led()

#####################################
###### SUBROUTINE FOR LED

def sub_rgb_led():
    
    # O: Turn ON
    # 1: Turn OFF

    red_pin.value(0) #ON RED LED
    green_pin.value(1) #OFF GREEN LED
    blue_pin.value(1) #OFF BLUE LED
    sleep(0.5) #SLEEP FOR 0.5 SECONDS

    red_pin.value(1) #OFF RED LED
    green_pin.value(0) #ON GREEN LED
    blue_pin.value(1) #OFF BLUE LED
    sleep(0.5) #SLEEP FOR 0.5 SECONDS

    red_pin.value(1) #OFF RED LED
    green_pin.value(1) #OFF GREEN LED
    blue_pin.value(0) #ON BLUE LED
    sleep(0.5) #SLEEP FOR 0.5 SECONDS

#####################################
###### EXECUTE MAIN ROUTINE
if __name__ == '__main__':
    main()