With the microphone and light sensor on the mPython Board, coding to use it as noise meter or illuminance meter for detecting the environment!
from mpython import * u=UI(oled) while True: oled.fill(0) lightValue=numberMap(light.read(),0,4093,0,100) soundValue=numberMap(sound.read(),0,4093,0,100) u.stripBar(35,8,10,40,soundValue,0) u.stripBar(90,8,10,40,lightValue,0) oled.DispChar("噪声计",23,50) oled.DispChar("照度计",76,50) oled.show()