from machine import Pin
import time

red   = Pin(15, Pin.OUT)
green = Pin(14, Pin.OUT)
blue  = Pin(13, Pin.OUT)

def set_color_digital(r, g, b):
    red.value(r); green.value(g); blue.value(b)

while True:
    print("黄"); set_color_digital(1,1,0); time.sleep(1)
    print("赤紫"); set_color_digital(1,0,1); time.sleep(1)
    print("水色"); set_color_digital(0,1,1); time.sleep(1)
    print("白"); set_color_digital(1,1,1); time.sleep(1)
    print("消灯"); set_color_digital(0,0,0); time.sleep(1)