Using a microcontroller, I can key in morse code, and the dits and dahs are automatically recognized and converted into text.
For source code and more...
Lecture series on Digital Circuits Systems by Prof. S. Srinivasan,
Department of Electrical Engineering, IIT Madras
For more details on NPTEL visit http://nptel.iitm.ac.in...
Lecture Series on Digital Voice and Picture Communication by Prof.S. Sengupta, Department of Electronics and Electrical Communication Engg ,IIT Kharagpur . For more details...