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== Installing Additional Arduino Libraries ==
Once you are comfortable with the Arduino software and using the built-in functions,
you may want to extend the ability of your Arduino with additional libraries.

== What are Libraries ? ==
[https://www.arduino.cc/en/Reference/Libraries Libraries ]are a collection of code that makes it easy for you to connect to a sensor,display, module, etc. For example, the built-in LiquidCrystal library makes it easy to talk to character LCD displays. There are hundreds of additional libraries available on the Internet for download. The built-in libraries and some of these additional libraries are listed in the reference. To use the additional libraries, you will need to install them.

== How to Install a Library ? ==
Here we will introduce the most simple way for you to add libraries 
After download well the Arduino IDE, you can right-click the icon of Arduino IDE. 
Find the option "Open file location" shown as below.
 [[Image:Libraries 1.png|600px|frameless]] 
 
Then, click to open the libraries folder, you can directly add the libraries inside the folder.
 [[Image:Libraries 3.png|600px|frameless]] 
It is very easy for you to add the libraries in this way!

'''Or you can refer to another method to add libraries.''' 
Inside the folder will be a .cpp file, a .h file and often a keywords.txt file, examples folder, and other files required by the library. 
Take Arduino1.0.5 as an example, you can install a library in Arduino IDE. And do not unzip the downloaded library, leave it as is.

*In the Arduino IDE, click Skietch->Import Library. Select “Add Library...” at the top of the drop down list. [[Image:Add Library.png|600px|frameless]] 

*You will be prompted to select the library you would like to add. Find the .zip file's location and open it. Here I select a library named smallePaper. [[Image:smallePaper.png|500px|frameless]] 

*Return to the Sketch > Import Library menu. You should now see the library at the bottom of the drop-down menu. It is ready to be used in your sketch. [[Image:your sketch.png|600px|frameless]] 

*Now the zip file has been installed in your Arduino sketches directory. You can see the location of the library: File->Preferences->Sketchbook location, and can change the location. Generally, we will change it as ….Arduino – 1.0.5\libraries as shown below. [[Image:below.png|600px|frameless]] 

'''More reference please click the link here:''' 
https://www.arduino.cc/en/Guide/Libraries

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