Updated Readme

README.md

@@ -1,6 +1,26 @@
 # Darkroom timer
 
+Download the repository somewhere on your computer. Let's say C:/darkroom_timer is the <repo_folder>
+
+## Required applications
+The code is written in C++ and was developed for the Arduino IDE. Download the application at https://www.arduino.cc/en/main/software.
+The embedded code is in <repo_folder>/timer_ardunio/timer_arduino.ino
+
+## Required libraries
+
+Download the TFT and Touch libraries somewhere on your computer as ZIP archives and then add them to the Arduino application from Sketch->Include Library->Add ZIP library
+
 TFT screen library at http://www.rinkydinkelectronics.com/library.php?id=51
 
 Touch screen library at http://www.rinkydinkelectronics.com/library.php?id=92
 
+## Build instructions
+
+* Connect the arduino to any USB port
+* Open the Arduino IDE
+* Go to Tools->Board and select "Arduino Mega 2560"
+* Go to Tools->Port and select the COM port the board is connected to
+* Add the required libraries as described above
+* Open the sketch located at <repo_folder>/timer_ardunio/timer_arduino.ino
+* Go to Sketch->Upload
+