rfm69test.py

from gpiozero import Button, RGBLED
from signal import pause

button = Button(22, pull_up=True)
led = RGBLED(17, 18, 27)

colors = (
    (1, 0, 0),
    (0, 1, 0),
    (0, 0, 1),
    (1, 0, 1),
    (1, 1, 1)
)
color_now = 0

def btn_pressed(state=None):
    global color_now
    color = colors[color_now % len(colors)]
    led.color = color
    color_now += 1
    print("btn pressed. new color:", color)

button.when_pressed = btn_pressed
pause()