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Content #BSD 2-clause #Inspired by the lsd-nickname card10 app + code # import utime, urandom, display, color, leds, buttons NUMBERS = [ i for i in range(0,10) ] SPACES = [ " "*i for i in range(0,5) ] items = NUMBERS + SPACES def rain(seq): s = [str(urandom.choice(seq)) for i in range(1,67)] return "".join(s) #get nickname nick = 'matrix' try: with open('/nickname.txt') as f: nick = f.read() except: pass def matrix(bgc, fgc): with display.open() as d: #print characters s = rain(items) d.print(s, fg = bgc) #print nickname nx = 80 - round(len(nick)/2 * 14) d.print(nick, fg=fgc, bg=None, posx=nx + urandom.randrange(-2,2), posy=25 + urandom.randrange(-3,2)) d.update() d.close() leds.set(urandom.randrange(11), bgc) leds.set(urandom.randrange(11), fgc) utime.sleep(0.01) def random_col(): red = urandom.randrange(0,255) green = urandom.randrange(0,255) blue = urandom.randrange(0,255) return (red, green, blue) last_fg = color.GREEN last_bg = color.WHITE while True: matrix(last_fg, last_bg) pressed = buttons.read(buttons.TOP_RIGHT | buttons.BOTTOM_RIGHT) if pressed & buttons.TOP_RIGHT != 0: last_fg = color.GREEN last_bg = color.WHITE if pressed & buttons.BOTTOM_RIGHT != 0: last_fg = random_col() last_bg = random_col()