The project is written with delphi program microcontroller used USB interface Pic18f2550 control through a variety of commands on the card may be sent 4 channel button input, 4-channel led output, 2 x 16 lcd article submission etc. Pic18f2550,... Electronics Projects, USB Interface Circuit Pic18f2550 Delphi "microchip projects, microcontroller projects, pic18f2550 projects, " Date 2019/08/03