校验和定义为:前 4 个 Byte 的总和的低 8 位。 Arduino Test #include "dht11.h" #define DHT_PIN 2 DHT11dht11(DHT_PIN); voidsetup() { Serial.begin(9600); Serial.println("DHT11 TEST PROGRAM "); Serial.print("LIBRARY VERSION:
//Test the DHT11 intdhPin = 3;// 温湿度信号接脚连入 Arduino 的 Pin 3 bytedat[5];// 存放湿度2byte, 温度 2 byte, checksum 1 byte bytereadData() {// 每次读取 8 bits ( one byte) bytedata = 0 ;// 初始化数据,不然可能出错 for(inti = 0; i < 8; i++) { if(digitalRead(dh...
基于arduino的 dht11温湿度传感器的使用 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℃。 DHT11数字温湿度传感器是一款含有已校准数字信号输出的温湿度复合传感器,它应用专用的数字模块采集技术和温湿度传感技术,确 保产品具有极高的可靠性和卓越...
USB 数据线 × 1 DHT 11 模块 × 1 电路图 代码 // DHT Temperature & Humidity Sensor// Unified Sensor Library Example// Written by Tony DiCola for Adafruit Industries// Released under an MIT license.// REQUIRES the following Arduino libraries:// - DHT Sensor Library: https://github.com/ada...
/* # 描述: # 以下这段代码可检测当下环境的湿度及温度 */ // // FILE: dht11_test1.pde // PURPOSE: DHT11 library test sketch for Arduino // #include <dht11.h> dht11 DHT; #define DHT11_PIN 4 void setup(){ Serial.begin(9600); Serial.println("DHT TEST PROGRAM "); Serial.print(...
In the Arduino IDE, navigate to Sketch > Include Library > Add .ZIP Library Usage To use this library: Open example: Arduino => File => Examples => SimpleDHT => DHT11Default Connect the DHT11 and upload the program to Arduino.
使用Arduino与DHT11监测温湿度 【原文】http://blog.csdn.net/micaroo/article/details/7239294 这两天开始一一测试之前买过的一些传感器,首先挑选的是DHT11,这个传感器用于粗略估计温湿度。 硬件连接很简单,只需要将DHT11传感器和数字针脚4相连,这里我用到了传感器扩展板,直接连在扩展板上。材料都是用的奥松机器人...
that it can detect even the slightest changes in the environment, making it ideal for applications such as HVAC systems, dehumidifiers, and weather stations. **Ease of Integration and Use** The sensor's single-wire serial interface makes it incredibly easy to integrate into any Arduino or elect...
-Visuino program:Download Visuino Step 2: The Circuit For this project we are using a NRF24L01 module together with a voltage adapter. Wiring the Sender Arduino: -Connect NRF24L01 Adapter pin [VCC] to Arduino pin [5V] -Connect NRF24L01 Adapter pin [GND] to Arduino pin [GND] ...
4娓╂箍搴﹂噰闆哱Arduino\Arduino.ino:1:0:C:\Program Files\Arduino\libraries\arduino-DHT-master...