This project contains assembly code (lab2.asm) for interfacing a keypad with an 8051 microcontroller, using the 8255 PPI (Programmable Peripheral Interface). The code handles reading inputs from the ...

This project demonstrates the use of the 8051 microcontroller to interface with peripheral devices, specifically a 4x4 keypad and a 7-segment display unit. The system is designed to capture user ...

Perhaps unwittingly, you have been using the serial communication features of the 8051 or 8032, and the supporting routines contained in the system monitor, EMON51, ever since the 80C32 singleboard ...

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