--> Digital gates Emulator

This project “Digital gates Emulator” is used to emulate the basic gates such us NOT, OR, AND. The system has the selector switch by which we can select any gate. The system has two inputs and one output. We use two SPDT switches for the inputs and for the output we use an LED. The gate selection can be done by the selector switch and it is also indicated on separate LED’s. There are three LED’s provided on the board for the gates NOT, OR, AND. The corresponding LED will glow for the corresponding gate. The main operation is done by the Microprocessor through its ports using the PPI (Programmable Peripheral Interface) IC8255. The microprocessor gets the input through the ports and it will produce the output according to the gate selected.

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