Please building a Morse Code CW Trainer with Arduino and document it. Take pictures, blog and tweet about it.

Function Requirement:

• Transmit Morse Code and it could be adjust for different speed. Transmit via Speaker or buzzer. 
• It could receive Morse Code transmitted by user pushing button input, recognize which character user input. 
• Given some puzzles for trainee, guess Morse Code or Character.

Required Skills

•  C Language for Arduino 
• Have some Arduino boards, and at least a 16x2 screen, a push button and a buzzer (or speaker).
• Basic electronic skill.

Useful Resource: 

• Learning Morse Code: https://en.wikipedia.org/wiki/Morse_code
• https://github.com/camateg/MorseTIX