rgb_light_scroll.py

import time
import picokeypad as keypad

keypad.init()
keypad.set_brightness(1.0)

lit = 0
last_button_states = 0
colour_index = 0

NUM_PADS = keypad.get_num_pads()
while True:
    for colour_index in range(0, 5):
        for i in range(0, NUM_PADS):
            if colour_index == 0:
                keypad.illuminate(i, 0x00, 0x20, 0x00)
            elif colour_index == 1:
                keypad.illuminate(i, 0x20, 0x20, 0x00)
            elif colour_index == 2:
                keypad.illuminate(i, 0x20, 0x00, 0x00)
            elif colour_index == 3:
                keypad.illuminate(i, 0x20, 0x00, 0x20)
            elif colour_index == 4:
                keypad.illuminate(i, 0x00, 0x00, 0x20)
            elif colour_index == 5:
                keypad.illuminate(i, 0x00, 0x20, 0x20)

            keypad.update()
            time.sleep(0.1)