The provided code is a C program for interfacing a 16x2 LCD (Liquid Crystal Display) with an 8051 microcontroller. The 8051 microcontroller is a popular 8-bit microcontroller widely used in embedded ...

Connect the 8051 microcontroller to the 8255 Peripheral Interface Adapter. Connect the 4x4 keypad and 7-segment display to the 8255 interface as per the circuit diagram provided in the project ...

A parallel interface is a simple and direct way to connect a microcontroller to an LCD display. It uses multiple pins to send data and commands in parallel, usually 4 or 8 bits at a time.

Electrocardiogram (ECG) monitoring is one of the most important patient vital sign. Many design for ECG amplifier has been established. In this paper we describe a unique design of a single supply ...