LCD display is added to usb keyboard - telegraphic cw keyer
Working project video : https://www.youtube.com/watch?v=QxUui6XqzGU
Manual for this cw keyer (made for vu3otn : OM Ramachandran) : https://docs.google.com/document/d/1iAji6q9yv8E4j_Wg9Xi18E02nAGOh8-5m0-ezRp64fA/edit?usp=sharing
Find more details in video description part