草图上传后,打开“串行监视器”窗口以查看Arduino的输出。 在串行监视器上输出 代码说明: 草图首先包括DHT库。接下来,我们需要定义传感器的数据引脚连接到的Arduino引脚号,并创建一个DHT对象。因此,我们可以访问与库相关的特殊功能。 #include<dht.h>#define dataPin 8// Defines pin number to
幸运的是，将DHT11或DHT22传感器连接到Arduino很简单。它们使用2.54mm间距的排针，因此您可以轻松地将...
必要时在 VDD 和 GND 之间并一个 100nF 的去耦电容。 本实验将传感器的 DATA 引脚连接到 Arduino 的 D2 口。 工作原理 DHT11 使用单一总线通信,即 DATA 引脚和单片机连接的线。总线总是处于空闲状态和通信状态这个2个状态之间。当单片机没有与 DHT11 交互时,总线处于空闲状态,在上拉电阻的作用下,处于高电平...
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...
#define SSD1306_LCDHEIGHT 64 //Change if you are using a Different OLED #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 ...
Arduino IDE Visuino Story Step 1: What You Will Need -2X Arduino UNO (or any other Arduino) -LCD I2C Display 20X4 -2x nrf24l01 module -2X DHT11 or DHT22 sensor -Jumper wires -Visuino program:Download Visuino Step 2: The Circuit
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);//把DHT11与gpio第15号数字引脚关联。
Specifications: Material: Polymer Usage: Temperature and Humidity Sensor Output: Switching Transducer Theory: Resistance Sensor Design and Style: Ultra-small size, low power consumption Performance and Property: High reliability, excellent long-term stability Features: |Usb Temp Sensor|Voltmeter Arduino|Ard...
printf("Sorry! Sensor dosent ans!\n"); databuf=0; } } return 0; } 4编译运行该代码,获得温湿度数据: 从结果可得: 温度为26.0摄氏度 湿度为44.0% 5。接下来是LCD显示数据: LCD显示模块led_dht11.pyd 参考了git上的Adafruit_CharLCD()代码,主要的功能是读取dht11的执行结果进行lcd显示 ...
Arduino UNO/Seeeduino V4.2 Grove Base Shield(Optional, for easy connection) Grove – Temperature & Humidity Sensor (DHT11)/Grove – DHT22 Temperature & Humidity Sensor Pro (AM2302) Steps: Step 1: Connect the hardware Firstly, connect Grove – Temperature&Humidity Sensor to portD2of Grov...