MCH2022 badge?
go to mch2022.badge.team

Content import bme680 import leds import time import display import vibra import buttons colors = {'lime': [0, 255, 0], 'green': [0, 128, 0], 'yellow': [255, 255, 0], 'orange': [ 255, 128, 0], 'red': [255, 0, 0], 'purple': [128, 0, 128], 'brown': [128, 0, 0], 'blue': [0, 0, 255]} gs = 160 all_colors = [((i >> 2) * gs, (i >> 1 & 1) * gs, (i & 1) * gs) for i in range(1, 8)] _rand = 123456789 def rand(): global _rand _rand = (1103515245 * _rand + 12345) & 0xFFFFFF return _rand def iaq_color(iaq): if (iaq < 50): return colors['lime'] if (iaq < 100): return colors['green'] if (iaq < 150): return colors['yellow'] if (iaq < 200): return colors['orange'] if (iaq < 250): return colors['red'] if (iaq <= 350): return colors['purple'] if (iaq > 350): return colors['brown'] def iaq_string(iaq): if (iaq < 50): return "Excellent" if (iaq < 100): return "Good" if (iaq < 150): return "Ventilate?" if (iaq < 200): return "Ventilate." if (iaq < 250): return "Ventilate!" if (iaq <= 350): return "Danger!" if (iaq > 350): return "Leave!" def leds_set_bottom(co2_color): leds.set(11, co2_color) leds.set(12, co2_color) leds.set(13, co2_color) leds.set(14, co2_color) def main(): power_saving = False disp = display.open() disp.backlight(25) disp.clear().update() leds.clear() leds.set_powersave() leds.dim_top(1) leds.dim_bottom(1) with bme680.Bme680() as environment: while True: data = environment.get_data() disp.clear() # button toggle screen if buttons.read(buttons.TOP_RIGHT): power_saving = not power_saving if(data.iaq_accuracy >= 2): leds.set_all([iaq_color(data.iaq)]*11) # Set green rocket if under 600 ppm: no mask required if(data.eco2 < 600): co2_text = "No masks required" co2_color = colors['green'] leds.set_rocket(2, 31) leds.set_rocket(1, 0) leds.set_rocket(0, 0) # Set blue rocket if over 600 ppm: masks required elif(data.eco2 >= 600 and data.eco2 < 900): co2_text = "Wear masks" co2_color = colors['blue'] leds.set_rocket(0, 31) leds.set_rocket(1, 0) leds.set_rocket(2, 0) # Set yellow rocket if over 900 ppm: dangerous even with masks on else: co2_text = "Masks could be not enough!" co2_color = colors['orange'] leds.set_rocket(1, 31) leds.set_rocket(2, 0) leds.set_rocket(0, 0) # vibra.vibrate(500) # time.sleep(1) # vibra.vibrate(500) # time.sleep(1) # vibra.vibrate(500) leds_set_bottom(co2_color) if(not power_saving): disp.backlight(25) disp.print("IAQ: " + str(data.iaq)) disp.print("CO2: " + str(int(data.eco2)) + "ppm", posy=40) if(data.iaq_accuracy == 3): disp.print(iaq_string(data.iaq), posy=20, fg=iaq_color(data.iaq)) disp.print(co2_text, posy=65, fg=co2_color, font=display.FONT12) else: disp.print("(still calibrating...)", posy=60, font=display.FONT12) else: disp.clear() disp.backlight(0) disp.update() time.sleep(1) else: disp.print("Calibrating...", posy=0, font=display.FONT16) disp.print( "Place the badge both in open-air then in a closed box with exhaled air for around 10min each.", posy=40, font=display.FONT8) disp.update() if(not power_saving): oldest_time = time.time() latest_time = oldest_time while (latest_time - oldest_time < 1): leds.set(rand() % 11, all_colors[rand() % len(all_colors)]) time.sleep_ms(1) # Feed watch doge latest_time = time.time() else: leds.set_all([[0, 0, 0]]*15) time.sleep(1) if __name__ == "__main__": main()