传感器| KY-003 A3144 - 霍尔传感器模块

教程：1) https：//www.youtube.com/watch?v=4-MB1jBocW42) https：//diyi0t.com/hall-sensor-tutorial-for-arduino-and-esp8266/3) https ：//www.14core.com/wiring-the-high-Temperature-3144-hall-effect-sensor-module/