16级翻译3 翻译任务

1、DS18B20 Temperature SensorDS18B20温度传感器The DS18B20 temperature sensor is a 1-wire digital temperature sensor. This means that you can read the temperature with a very simple circuit setup. It communicates on common bus, which means that you can connect several devices and read their values using just

2、 one digital pin of the Arduino. DS18B20温度传感器是单线数字温度传感器。这意味着你可以使用非常简单的循环设置来读取温度。它在公共总线上进行通信，这意味着你可以连接多个设备并使用Arduino的一个数字引脚读取它们的值。The sensor has just three pins as you can see in the following figure:传感器只有三个引脚，如下图所示：The DS18B20 is also available in waterproof version:DS18B20在防水版中也是可利用的。Features特征Here

3、s some main features of the DS18B20 temperature sensor:下面是温度传感器的一些主要特征：Communicates over 1-wire bus communication通过单总线通信Operating range temperature: -55C to 125C温度工作范围：-55C到125CAccuracy +/-0.5 C (between the range -10C to 85C)精度+/-0.5 C（介于-10C到85C之间）Where to buy?去哪买？Click the link below to compare t

4、he sensor at different stores and find the best price点击下方链接比较一下不同商店中的传感器并选一个最好的价格。:DS18B20 digital temperature sensorDS18B20 temperature sensor with the Arduino使用Arduino的DS18B20温度传感器In this example, youll read the temperature using theDS18B20 sensor and the Arduino. The readings will be displayed on

5、 the Arduino Serial Monitor.在这个示例中，你将使用DS18B20传感器和Arduino来读取温度，读数将显示在Arduino系列监视器上。For this example, youll need the following parts:对于这个示例，你需要以下部分:Figure图形Name名字Check Price价格Arduino UNOFind best price onMaker AdvisorDS18B20 temperature sensorDS18B20温度传感器Find best price onMaker AdvisorBreadboard面包板Fi

6、nd best price onMaker Advisor4.7k Resistor4.7 k欧电阻Find best price onMaker AdvisorJumper Wires传感器连接线Find best price onMaker AdvisorSchematic示意图The sensor can operate in two different modes:传感器可以以两种不同的模式工作：Normal mode: 3-wire connection is needed. Heres the schematic you need to follow:正常模式：需要3线连接。这里是

7、你需要遵循的示意图。Parasite mode: only 2 wires required, the data and ground. The sensor derives its power from the data line. In this case, heres the schematic you need to follow:寄生模式：只需要2根导线，数据和地面。传感器从数据线导出其功率。在这种情况下，下面是你需要遵循的示意图：You can read the temperature of more than one sensor at the same time using j

8、ust one digital Arduino pin. For that, you just need to connect all the DQ pinsto any digital Arduino pin.你可以只用一个数字Arduino引脚同时读取多个传感器的温度。为此，你只需要将所有DQ引脚连接到任何数字Arduino引脚。Code代码Youll need to install the OneWire Library and DallasTemperature Library.你需要安装OneWire Library和DallasTemperature LibraryInstalli

9、ng the OneWire Library安装单线图书馆1.Click here to download the OneWire library.You should have a .zip folder in your Downloads1.点击这里下载OneWire Library。你应该有一个.zip文件夹在你的下载中。2.Unzip the.zip folder and you should get OneWire-master folder2.解压缩.zip文件夹，你会看到单线主控器文件夹。3.Rename your folder from OneWire-master To On

10、eWire3.将你的文件夹从OneWire-master重命名为OneWire4.Move the OneWire folder to your Arduino IDE installation libraries folder4.将OneWire文件夹移动到你的Arduino IDE安装库文件夹中。5.Finally, re-open your Arduino IDE5.最后，重新打开你的Arduino IDEInstalling the DallasTemperature Library安装温度场库1.Click here to download the DallasTemperature

11、 library.You should have a .zip folder in your Downloads1.点击这里下载DallasTemperature library。在你的下载里会有一个.zip文件夹2. Unzip the.zip folder and you should get OneWire-master folder.2.解压缩.zip文件夹，你会得到OneWire-master文件夹3.Rename your folder from OneWire-master to OneWire3.将你的文件夹从OneWire-master重命名为OneWire4.Move th

12、e OneWire folder to your Arduino IDE installation libraries folder4.将OneWire文件夹移动到你的Arduino IDE安装库文件夹中5.Finally, re-open your Arduino IDE5.最后，重新打开你的Arduino IDEAfter installing the needed libraries, upload the following code to your Arduino board.在安装所需的库之后，将下面的代码上传到你的Arduino板。/*Rui SantosComplete pro

13、ject details at Based on the Dallas Temperature Library example*/#include#include/ Data wire is connected to the Arduino digital pin 2/数据线连接到Arduino数字引脚2#define ONE_WIRE_BUS 2/ Setup a oneWire instance to communicate with any OneWire devices/设置任何一个有限设备的通信OneWire oneWire

14、(ONE_WIRE_BUS);/ Pass our oneWire reference to Dallas Temperature sensor/将单线参考信号传递到达拉斯温度传感器 DallasTemperature sensors(&oneWire);void setup(void)/ Start serial communication for debugging purposes/为调试目的启动串行通信Serial.begin(9600);/ Start up the library/启动库sensors.begin();Void loop(void) / Call sensors.r

15、equestTemperatures() to issue a global temperature and Requests to all devices on the bus/调用传感器，请求温度（）在总线上发出全局温度和请求所有设备sensors.requestTemperatures(); Serial.print(Celsius temperature: );/ Why byIndex? You can have more than one IC on the same bus. 0 refers to the first IC on the wire/为什么“索引”？你可以在同一总

16、线有不止一个集成电路，0指一个集成电路Serial.print(sensors.getTempCByIndex(0); Serial.print( -Fahrenheit temperature: );Serial.println(sensors.getTempFByIndex(0);delay(1000);SOURCE CODE源代码/RuiSantosdotme/Random-Nerd-Tutorials/blob/master/Projects/DS18B20_Temperature_Sensor_Arduino.inoFinally, you should open the Arduino IDE serial monitor at a 9600 baud rateand youll see the temperature displayed in both Celsius and Fahrenheit最后，你应该以9600波特率打开Arduino IDE串行监视器，你将看到在摄氏度和华氏度中显示的温度。Wrapping up总结The DS18B2 temperature sensor is a very useful one. It allows you to