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Content import bhi160 import display import leds import os import utime try: accel = bhi160.BHI160Accelerometer() except: os.reset() leds.clear() with display.open() as d: d.clear() d.update() for i in range(3): leds.set_rocket(i, 0) charset = { 'd': [0x7ff, 0x603, 0x30e, 0x18c], 'f': [0x7ff, 0x063, 0x063, 0x063], 'l': [0x7ff, 0x600, 0x600, 0x600], 'o': [0x1fb, 0x603, 0x603, 0x1fb], 'p': [0x7ff, 0x063, 0x03e, 0x01c], 'y': [0x003, 0x00c, 0x7f8, 0x00c, 0x003], '_': [0x400] * 4, } nick = 'sample text' try: with open('/nickname.txt', 'r') as f: nick = str(f.read()) except: pass string = [] for c in nick: if not c in charset: c = '_' string = string + charset[c] + [0] while True: sign = lambda v: 1 if v>=0 else -1 accel_hist = [] direction = 0 while direction == 0: samples = accel.read() accel_hist.extend([ 0 if abs(s.y) < 0.2 else s.y for s in samples ]) accel_hist = accel_hist[max(len(accel_hist)-20, 0):] if len(accel_hist) > 2: direction = sign(accel_hist[-1]) - sign(accel_hist[-2]) colors = [(0, 0, 0), (192, 192, 192)] string_iter = string if direction > 0: string_iter = reversed(string_iter) for column in string: for l in range(11): leds.set(10-l, colors[column>>l & 1]) leds.clear() utime.sleep(0.001)