first commit

Author: Marco Residori

LICENSE.txt

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+============================
+Arduino Enigma Machine
+============================
+
+Arduino sketch that implments a very simplified version of the enigma machine.
+
+![image 1](images/enigma-machine-1.png) 
+
+----------------------------------
+Hardware Setup
+----------------------------------
+* Arduino Uno 
+* LCD Keypad Shield (form DFRobot)
+* Buzzer
+* USB Cable
+
+----------------------------------
+Usage
+----------------------------------
+## Phase 1 - Set the rotors
+* Turn on the board
+* Press the buttons 'left' and 'righ' to select a rotor
+* Press the buttons 'up' and 'down' to set a rotor initial value
+![image 2](images/enigma-machine-2.png)
+
+## Phase 2 - Set the value to be encrypted/decrypted
+* Move the cursor to the first position of the second line of the LCD display
+* Press the buttons 'up' and 'down' to set the value to be encrypted/decrypted
+  Please note that only characters for A to Z are supported
+![image 3](images/enigma-machine-3.png)
+
+## Phase 3 - Encrypt/decrypt
+* Press the button 'select' do encrypt/decrypt the selected value
+![image 4](images/enigma-machine-4.png)
+
+Repeat the procedure for each value of your secret message.
+

README.md

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+============================
+Arduino Enigma Machine
+============================
+
+Simple Arduino sketch that implments a simplified version of the enigma machine.
+
+![image 1](images/enigma-machine-1.png) 
+
+----------------------------------
+Hardware Setup
+----------------------------------
+* Arduino Uno 
+* LCD Keypad Shield (form DFRobot)
+* Buzzer
+* USB Cable
+
+----------------------------------
+Usage
+----------------------------------
+
+## Phase 1 - Set the rotors
+* Start the board
+* Press the buttons 'left' and 'righ' to select a rotor
+* Press the button 'up' and 'down' to set the rotor initial value
+![image 2](images/enigma-machine-2.png)
+
+## Phase 2 - Set the value to be encrypted/decrypted
+* Move the cursor to the first position of the second line
+* Press the button 'up' and 'down' to set the value to be encrypted/decrypted.
+  Please note that only characters for A to Z are supported.
+![image 3](images/enigma-machine-3.png)
+
+## Phase 3 - Encrypt/decrypt
+* Press the button 'select' do encrypt/decrypt the value
+![image 4](images/enigma-machine-4.png)