from machine import Pin
import time

btn = Pin(3, Pin.IN, Pin.PULL_UP)
r = Pin(10, Pin.OUT)
g = Pin(11, Pin.OUT)
b = Pin(12, Pin.OUT)

COLORS = [
    (1, 0, 0),  # 빨강
    (0, 1, 0),  # 초록
    (0, 0, 1),  # 파랑
    (1, 1, 0),  # 노랑
    (1, 1, 1),  # 흰색
    (0, 0, 0), # 꺼짐
]

index = 0

def show(rgb):
    r.value(rgb[0])
    g.value(rgb[1])
    b.value(rgb[2])

show(COLORS[index])

while True:
    if btn.value() == 0:
        index = (index + 1) % len(COLORS)  # 다음 색, 끝나면 처음으로
        show(COLORS[index])
        print(index)
        time.sleep(0.3)
    time.sleep(0.02)