constintSENSOR_PIN = 6;// Arduino 引脚连接到 18B20 传感器的 DQ 引脚 OneWire oneWire(SENSOR_PIN);// 设置一个 oneWire 实例 DallasTemperature sensors(&oneWire);// 将 oneWire 传递给 DallasTemperature 库 LiquidCrystal_I2C lcd(0x27, 16, 2);// I2C地址0x27,16列2行 floattempCelsius;// 摄氏温...
Serial.print("Temperature is "); Serial.print(temperature); //设置LED作为输出 if(temperature <= lowerLimit) { Serial.println(", blue LED is Activated"); digitalWrite(blueLedPin, HIGH); } elseif(temperature > lowerLimit && temperature < higherLimit) { Serial.println(", Green LED is Activa...
The DS18B20 digital temperature sensor provides 9-bit to 12-bit celsius temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points. The DS18B20 communicates over a 1-wire bus that by definition requires only one data line(and...
一、硬件准备Arduino ESP8266/ESP32开发板多路DS18B20温度传感器杜邦线若干面包板电源适配器二、硬件连接将...
它可能看起来令人生畏,但在进一步学习本教程之前,您应该熟悉DS18B20单线温度传感器的基础知识。 将多个DS18B20传感器连接到Arduino 连接非常简单。 首先将所有DS18B20并联连接,即将所有VDD引脚,GND引脚和信号引脚共用。然后将VDD连接至Arduino上的5V输出,将GND连接至Arduino接地,并将信号引脚连接至arduino上的数字引脚2。
DS18B20 Temperature Sensor module The DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements. $1.89> > 400X 0.25w 1/4w Metal Film Resistor Pack Kit 1% 20 Value Each 20 Pcs 10 ~ 1M ohm $1.88> > $5.50> > ...
Introduction DS18B20 is a digitaltemperature sensorwhich is from DALLAS U.S. It can be used to quantify the environmental temperature testing. The temperature range -55 ~ 125 ℃, the inherent temperature resolution of 0.5 ℃, support multi-point networking mesh. Three DS18B20 can deloyed on thre...
Specification: Product name: Digital Thermal / Temperature Sensor Module with Thermistor- for Arduino Our company provide original DS18B20 digital sensor and its further assembly. The assemblied sensor use metal house( tubing type or screw type) and 3 screen wires to e...
DS18B20传感器连接图 Arduino 实例代码 #include <DallasTemperature.h> DallasTemperature tempSensor; void setup(void) { Serial.begin(9600); tempSensor.begin(3); // Connect DS18B20 to Digital Pin 3 } void loop(void) { // Check if the sensor is working correctly ...
Arduino要实现对DS18B20的操作,需要OneWire和Dallas Temperature Control两个库文件,下载地址分别为:http://playground.arduino.cc/Learning/OneWire和https://github.com/milesburton/Arduino-Temperature-Control-Library。Dallas Temperature Control函数库是基于OneWire函数库进行开发的,更便于使用,下面讲解一下主要函数的功...