There are approximately 200 USB control software applications are generally prepared with the Visual Basic used PIC18F2550 microcontrollers, the PIC18F4550 codes written in C language. USB ADCs, etc. USB hidden. circuit has a lot of programs. USB Project example... Electronics Projects, PIC18F4550 PIC18F2550 USB Project VisualBasic Circuit "microchip projects, microcontroller projects, pic18f2550 projects, " Date 2019/08/02