• 16×2 lcd to display the outputs. • 4×4, numeric keypad to enter the input. • 8051 (89c52) Microcontroller • Power supply (5 volts) to provide power to lcd. • Crystal Oscillator (12 MHz) responsible ...

In this project we have interfaced three channels of ADC0808. And for demonstration we have used three variable resistors. When we power the circuit then microcontroller initialize the LCD by using ...

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 ...