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) #다음색, 끝나면 처음으로
        show(COLORS[index])
        print(index)
        time.sleep(0.3)
    time.sleep(0.02)