DHT temperature/humidity sensor Push button Photo-resistor Servo The serial LCD I²C PWM Connecting to networks Access point Running a simple web server mDNS protocol Client server communication Control your ESP32 with an Android App(Tutorial numbering gap; no tutorial 16.) Get ...
the question is how a web client can access the web server hosted on the ESP32. When a device connects to a network, it is assigned an IP address. We can use this assigned IP address to refer to the device. For instance, when we connect the ESP32 to the...
void loop() { TempAndHumidity data = dhtSensor.getTempAndHumidity();//接受来自传感器的温度湿度数据,存入data变量 Serial.println("Temp: " + String(data.temperature, 2) + "°C");//开始通过串口显示变量的温度信息 Serial.println("Humidity: " + String(data.humidity, 1) + "%");//显示湿度...
在环境监测系统代码中,除了Wi-Fi连接部分,还使用了DHT库的函数dht.readTemperature()和dht.readHumidity()来读取传感器数据,通过isnan()函数判断数据读取是否成功。 在智能插座代码中,使用了ESPAsyncWebServer库创建Web服务器,server.on()函数注册不同的URL请求处理函数,根据请求将继电器打开或关闭,并发送相应的响应信息。
float humidity = sht31.readHumidity(); // 获取湿度值 String message = "Temperature: " + String(temperature) + " °C, Humidity: " + String(humidity) + " %"; // 拼接响应消息 server.send(200, "text/plain", message); // 返回响应消息 ...
// Create AsyncWebServer object on port 80 AsyncWebServer server(80); String readTemp() { return String(dht.readTemperature()); } String readHumi() { return String(dht.readHumidity()); } String readAir() { return String(Air()); ...
Postbygrompot»Tue Aug 20, 2019 11:54 am An webserver on the esp32 reading capacitive soil moisture sensor DHT 11 Temperature and humidity. No data shared over the cloud. I used the Higrow Wemos Board. [url]httpqs://www.instructables.com/id/ESP32-WiFi-SOI ... RE-SENSOR/[/url] ...
String DoWork_Response(String SensorName,String SensorAction){ // 根据命令做控制 // 解析1-传感器sensor_all 命令GetData 返回所有的数据 if(SensorName=="sensor_all" && SensorAction=="GetData"){ // // 湿度 // float Humidity = dht.readHumidity(); // // 温度 // float Temperature = dht....
Demo 12: How to turn the Arduino ESP32 into a Web Server Demo 13: How to display temperature/humidity using Google Chart/Jquery and control LED through Arduino ESP32 Web Server Demo 14: How to use MQTT and Arduino ESP32 to build a simple Smart home system ...
#include <FreeRTOS.h> // Global variables for sensor data int temperature = 0; int humidity = 0; void setup() { // Setup code goes here // Create tasks xTaskCreate(sensorTask, "Sensor Task", 1000, NULL, 1, NULL); xTaskCreate(displayTask, "Display Task", 1000, NULL, 1, NULL); ...