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...
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...
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 three lines, ...
按地址读取DS18B20 下图通过其地址读取DS18B20的温度。在上传草图之前,您需要使用在先前的草图中找到的地址更改DS18B20的地址。 #include<OneWire.h>#include<DallasTemperature.h>// Data wire is plugged into port 2 on the Arduino#define ONE_WIRE_BUS 2// Setup a oneWire instance to communicate wit...
DS18B20 Temperature Sensor module $1.89 4.7K resistor 400X 0.25w 1/4w Metal Film Resistor Pack Kit 1% 20 Value Each 20 Pcs 10 ~ 1M ohm $1.88 $5.50 See buying guide at the end of tutorial. EasyIoT server configuration In EasyIoT server add new node in Virtual driver. Node type is Te...
case 2: Serial.println("Not a valid device"); tempSensor.reset(); // Reset Sensor return; } // Read Temperature from DS18B20 Serial.print(tempSensor.getTemperature()); Serial.print("C"); Serial.println(); } 本文整理于DFRobot wiki...
Note that pin 1 (GND) is the leftmost pin when the flat side of the sensor (with the text printed on it) is facing towards you. DS18B20 digital temperature sensor connections A waterproof DS18B20 sensor gets connected in the same way. However, the color of the wires can be different depe...
begin(115200);Serial.println("Dallas Temperature Sensor Example");// Start the DS18B20 sensor...
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...
直接进入实战,调用DS18B20,需要使用OneWire库。 把下面代码下载进入arduino控制板。ARDUINO 代码复制打印 #includeh> // DS18S20 Temperature chip i/o OneWire ds(2);// on pin 2 voidsetup(void){ // initialize inputs/outputs // start serial port ...