const int DHT_PIN = 15; //定义一个整形变量,目的是使用GPIO-15来接收来自传感器的数据 DHTesp dhtSensor; //定义一个DHT传感器 //arduino里的setup函数,执行一次 void setup() { Serial.begin(115200); //串口的速率 dhtSensor.setup(DHT_PIN, DHTesp::DHT11);
好消息是 DHT11 与 DHT22的使用代码一样,换传感器后 代码几乎不用动 就可以直接使用了 先看下DHT11 的代码 import dht sensor = dht.DHT11(Pin(23)) #读取DHT11数据 sensor.measure() # 调用DHT类库中测量数据的函数 temp_ = str(sensor.temperature())#读取measure()函数中的温度数据 hum_ = str(sens...
// Connect pin 1 (on the left) of the sensor to +5V // NOTE: If using a board with 3.3V logic like an Arduino Due connect pin 1 // to 3.3V instead of 5V! // Connect pin 2 of the sensor to whatever your DHTPIN is // Connect pin 4 (on the right) of the sensor to GROUN...
String sensor_class ="class1";// 定义常量和全局变量 #define DHTPIN 4 // DHT传感器连接的引脚 #define DHTTYPE DHT11 // DHT11传感器类型DHT dht(DHTPIN, DHTTYPE); Preferences preferences; WiFiClient client;char sever_ip[16] = "192.168.1.103"; // 默认IP地址...
1 // Binary segment #define LDR_PIN A0 // LDR pin #define DHT_PIN 13 // DHT Sensor pin ...
Hello. I've came across an issue whiel trying to connect my sensor with my esp32s board. Code: Code: main.cppSelect all #include <Arduino.h> #include <freertos/FreeRTOS.h> #include <freertos/task.h> #include <dht.h> #include <HTTPClient.h> ...
在将多个传感器外接到ESP32上时,供电是至关重要的考虑因素。这篇文章将为您详细介绍如何供电ESP32和外接多个传感器。 供电ESP32: ESP32可以通过多种方式进行供电,包括直接从USB接口供电、通过板载电池进行供电、通过外部电源供电等。以下是一些常见的供电方式: USB供电
= WL_CONNECTED) {delay(500);Serial.print(".");}Serial.println("Connected to AP");}}// Setup an applicationvoid setup() {// Initialize serialfordebuggingSerial.begin(SERIAL_DEBUG_BAUD);WiFi.begin(WIFI_AP_NAME, WIFI_PASSWORD);InitWiFi();// Initialize temperature sensordht.begin();}// ...
You connected the dht11 sensor and ESP-wrover-kit board but they aren’t doing anything yet. Let’s turn our attention now to programming it with Arduino. Editing the Arduino Sketch In the root folder, run this command: Java Copy Code cd esp32-wrover-kit/MQTT_ESP32_Sync MQTT_ESP32...
A simple ESP32 project using FreeRTOS to log temperature and humidity data from a DHT11 sensor and display it on the Blynk IoT platform with graphical representation. 📌 Required Components ESP32 (38-pin) NodeMCU Development Board DHT11 Temperature & Humidity Sensor Jumper Wires Breadboard ESP-...