Better explanation of building firmware

README.md

@@ -75,12 +75,22 @@ Browse to your arduino installation directory, then browse to hardware/arduino/b
 
 Save the file and quit.
 
+Setting up the source code to build firmware
+====================
+
+Locate the sketchbook directory that the arduino IDE created when installing, you can see the path to your sketchbook folder in the arduino preferences menu (File-> Preferences).
+
+From the files downloaded and unzipped from github:
+
+Copy the ReflowController directory from the zip file into the Sketchbook directory. 
+
+Copy all the directories in the Libraries directory to the libraries directory in the arduino sketchbook directory.
 
-Locate the sketchbook directory that the arduino IDE created when installing, you can see the path to your sketchbook folder in the arduino preferences menu (File-> Preferences). 
+Open the arduino IDE, open the ReflowController.pde sketch (using File->Open). 
 
-Copy the ReflowController directory from the zip file into the Sketchbook location. Copy all the folders in the Libraries folder (contained in these files downloaded from github) to the libraries directory in the arduino sketchbook directory.
+Select the right kind of hardware from the Tools->Board menu. 
 
-Open the arduino ide, open the ReflowController.pde sketch. Select the right kind of hardware from the Tools->Board menu . Compile this with Ctrl+R to test everything is installed correctly. Choose the right serial port from Tools->Serial Port and then upload the code using Ctrl+U.
+Compile the firmware with Ctrl+R to test everything is installed correctly. Choose the right serial port from Tools->Serial Port and then upload the code using Ctrl+U.