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Content import display import utime import leds import buttons class Rainbow(object): def __init__(self): pass def loop(self): sleep_ms = 20 speed = 20 offset = 0 button = 0 button_counter = 0 brightness_pressed = False brightness_change = 0.5 * sleep_ms / 1000 brightness = 1. while True: pressed = buttons.read(buttons.BOTTOM_LEFT | buttons.BOTTOM_RIGHT) if pressed in [ buttons.BOTTOM_LEFT, buttons.BOTTOM_RIGHT ]: if button != pressed: button = pressed button_counter = 0 button_counter = button_counter + 1 button_time = button_counter * sleep_ms delta_v = (5 + (0 if button_counter < 1000 else 15*(button_counter-1000)/5000 if button_counter < 6000 else 15)) * sleep_ms / 1000 if button == buttons.BOTTOM_LEFT: speed = speed - delta_v else: speed = speed + delta_v else: button = 0 pressed = buttons.read(buttons.TOP_RIGHT) if pressed: brightness_pressed = True brightness += brightness_change if brightness > 1: brightness = 1 brightness_change = -brightness_change elif brightness < 0: brightness = 0 brightness_change = -brightness_change elif brightness_pressed: brightness_change = -brightness_change brightness_pressed = False leds.set_all_hsv([[(offset + 360*i/11) % 360, 1., brightness] for i in range(11)]) offset = (offset + speed) % 360 utime.sleep_ms(20) with display.open() as disp: disp.clear().update() rb = Rainbow() rb.loop()