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This is PIC Microcontroller 1st tutorial and in this tutorial we are going to learn, how to interface I/O Ports with PIC Microcontroller. PIC(18F4550)  Microcontroller has 5 I/O Ports(A,B,C,D,E) those can work both as Input and  Output. To program PIC Microcontroller in C you need MPLAB IDE which can easily be downloaded from Microchip’s site. To make any Port I/O you need to remember one keyword which is TRISX (X… Read more »