DHT11 DHT11是一款有已校准数字信号输出的温湿度传感器。其精度湿度±5%RH, 温度±2℃,量程湿度20-90%RH, 温度0~50℃。精度不高,但价格低廉。DHT11使用单总线通信。供电电压3.3~5V。 使用DHT库 使用DHT sensor library库(需自己安装,安装教程在上面的ESP8266开发环境搭建教程中)来直接读取DH
dht.begin(); } //https://blog.zeruns.tech void loop() { delay(1000); //延时1000毫秒 float RH = dht.readHumidity(); //读取湿度数据 float T = dht.readTemperature();//读取温度数据 Serial.print("Humidity:"); //向串口打印 Humidity: Serial.print(RH); //向串口打印湿度数据 Serial.prin...
只在程序开始时运行一次Serial.begin(115200);//设置串口波特率dht.begin();}//https://blog.zeruns.techvoidloop(){delay(1000);//延时1000毫秒floatRH=dht.readHumidity();//读取湿度数据floatT=dht.readTemperature();//读取温度数据Serial.print("Humidity:");//向串口打印 Humidity...
#define DHT11_PIN 13 //Sensor output pin is connected to pin 13 dht DHT; //Sensor object named as DHT #define Desired_temperature 27 //The desired temperature is 27*C at any time //Decoded Remote Signals For my AC ##CHANGE IT FOR YOUR REMOTE unsigned int ACoff[] = {2950,1750, 4...
unzip Dht11.zip //解压ZIP OK,删除掉zip原文件后打开Arduino IDH,粘贴以下代码,来让DHT11温湿度传感器开工: #define dht_dpin A0 byte bGlobalErr; byte dht_dat[5]; void setup(){ InitDHT(); Serial.begin(9600); delay(300); Serial.println("Humidity and temperaturenn"); ...
MCU 到 DHT11 连接 使用的分线模块已经有一个 10 KOhm 的上拉电阻。 NodeMCU ESP-8266 Amica 连接到 DHT11 分支 DHT11 数据引脚连接到 D1 (GPIO5) GPIO 0-15 都有一个内置的上拉电阻器,如果直接使用 DHT11 而不是分线器,我们可以使用它。
sensor consists of a resistive wet sensor and an NTC temperature sensor connected to a high performance 8-bit microcontroller. Therefore, the product has the advantages of excellent quality, ultra-fast response, strong anti-interference ability and high cost performance. Each DHT11 sensor is ...
pinMode(Pin_waterHighSensor1,INPUT); //水位传感器1 pinMode(Pin_Pump1,OUTPUT); //水泵1,输出 pinMode(Pin_Pump2,OUTPUT); //水泵2,输出 pinMode(Pin_Pump3,OUTPUT); //水泵3,输出 sendData[7] = 0x1F; } void readDHT11Val() //DHT11数值读取 ...
This branch is6 commits behindadafruit/DHT-sensor-library:master. README Code of conduct MIT license DHT sensor library Description An Arduino library for the DHT series of low-cost temperature/humidity sensors. You can find DHT tutorialshere. ...
This paper presents designing and implementing an Automatic room temperature control system using the Arduino and DHT11 sensor. The fan speed control system has also been proposed. Here, the user sets the minimum and the maximum reference temperature range from the keypad. The DHT11 sensor senses...