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- /*
- *******************************************************************************
- * Copyright (c) 2022 by M5Stack
- * Equipped with M5Core sample source code
- * 配套 M5Core 示例源代码
- * Visit for more information: https://docs.m5stack.com/en/core/gray
- * 获取更多资料请访问: https://docs.m5stack.com/zh_CN/core/gray
- *
- * Describe: Hall. 霍尔传感器
- * Date: 2021/8/18
- *******************************************************************************
- Please connect to Port B,Displays a string on the screen.
- 请连接端口B,在屏幕上显示字符串。
- Low-level signal can be generated when the magnet S pole is close to the front
- of the sensor 当磁体S极靠近传感器前端时，会产生低电平信号 OR the N pole is close
- to the back, and the internal LED indicator will light up, the screen wiil
- display 0. 或N极靠近背面，内部LED指示灯亮起，屏幕显示0。
- */
- #include <M5Stack.h>
- #define HALL 36
- void setup() {
- M5.begin(); // Init M5Stack. 初始化M5Stack
- M5.Power.begin(); // Init power 初始化电源模块
- M5.lcd.setTextSize(2); // Set the text size to 2. 设置文字大小为2
- M5.Lcd.print(" HALL Sensor");
- pinMode(HALL,
- INPUT); // Set the pins to which the Hall sensor is connected to
- // the input mode. 将霍尔传感器所连接的引脚设置为输入模式
- }
- void loop() {
- bool status = digitalRead(HALL);
- M5.Lcd.setCursor(20, 80);
- M5.Lcd.printf("Hall status : %d", status);
- }
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