Project function is simple when anyone presses the button on keypad the character associated with that button will be displayed on the screen of 16×2 lcd, and when press the character “=”, the result ...

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 ...

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 ...