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> We aim to use Atmega 8052 microcontroller to create a simple calculator, by entering numbers and symbols in 4*4 keypad, and watching the results being displayed on 16×2 lcd. Project function is ...
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 ...
• 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 ...
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