import machine
import utime

# Define the GPIO pins connected to the RGB LED
RED_PIN = machine.Pin(15, machine.Pin.OUT)
GREEN_PIN = machine.Pin(14, machine.Pin.OUT)
BLUE_PIN = machine.Pin(13, machine.Pin.OUT)

# Function to set the color of the RGB LED
def set_color(red, green, blue):
    RED_PIN.value(red)
    GREEN_PIN.value(green)
    BLUE_PIN.value(blue)

# Main loop to cycle through colors
while True:
    set_color(1, 0, 0)  # Red
    utime.sleep(1)
    set_color(0, 1, 0)  # Green
    utime.sleep(1)
    set_color(0, 0, 1)  # Blue
    utime.sleep(1)