Artikelrobot
Well-Known Member
The M0KGK keyer with variable speed and weight controls utilising the low cost PIC 16F877A microcontroller. Includes the circuit diagram and code to program your own chip
http://www.southgatearc.org/techtips/m0kgk_keyer.htm
http://www.southgatearc.org/techtips/m0kgk_keyer.htm