/******************************************************* ESP32 使用内部霍尔传感器 功能:将内部霍尔传感器的磁场强度值打印到串口监视器 引脚: *******************************************************/ const int LED = 2; const int LIMIT = 0; void setup() {
Serial.begin(115200); pinMode(LED, OUTPUT); } void loop() {
//guarda o valor lido do sensor hall int measurement = 0; measurement = hallRead(); Serial.print("Hall sensor measurement: "); Serial.println(measurement); if (measurement < LIMIT) {
///值小于0,点亮板载荷led灯 digitalWrite(LED, HIGH); } else {
digitalWrite(LED, LOW); } delay(1000); }
- 串口打印信息
