README file modified

README.md

@@ -2,3 +2,23 @@ linked_data_coffee-maker
 ========================
 
 This is a project related to the design of a coffee maker which is able to sense its energy data and to store the breakdown of it in a remote Database as RDF triples. 
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+
+Dependencies
+-------------
+
+This project has some external dependencies. All of them are stored in other github repositories:
+
+	*  RTClib:     https://github.com/adafruit/RTClib
+	*  EmonLib:    https://github.com/openenergymonitor/EmonLib
+	*  RestClient: https://github.com/csquared/arduino-restclient
+		- This library has been slightly modified, so please use the version which is provided in this github repository.
+
+To add them to you Arduino IDE you have two options: 
+	- Either you store them in the libraries folder within the place where you installed the Arduino application; 
+	- Either you store them in a folder also called libraries within your Sketchbokk folder.
+
+For more info about new libraries and how to do use of them (dependig of your OS), please follow the next link: http://arduino.cc/en/Guide/Libraries
+
+
+Thanks a lot to the people who contributes developing libraries like those which are used in this project.