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User input based seven segment display using 8051 microcontroller (AT89C51)

Summary

Developed By: 
Himanshu Choudhary

This article is a simple application built around the seven segment display. The circuit has ten inputs corresponding to digits zero to nine. Whenever an input is pressed the corresponding digit is displayed on the seven segment.The microcontroller used is AT89C51 which belongs to the 8051 series of microcontroller.

User Input based Seven Segment Display Interfacing with 8051 Microcontroller

Description

 

The circuit can be divided into two units: the controller unit and the display unit. The controller unit consists of a microcontroller circuit. The microcontroller used here is AT89C51 . The display unit consists of a seven segment circuit which is interfaced to the microcontroller. The circuit is similar to the seven segment circuit

 

with the only difference that here we have ten input pins. Each input pin corresponds to one of the digits to be displayed on the seven segment. Here the pin 0 to pin 7 of port P3, pin 6 and pin 7 of port P 1 are made the input pins. The output is sent to the seven segment through Port 2 of the microcontroller.

 

 

 

Circuit Diagram

Video

Code

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Components

LEDs | Light Emitting Diode
LED
 
Light emitting diodes (LEDs) are semiconductor light sources. The light emitted...
7 Segment Display | Seven Segment LED Display
Seven Segment Display
 
A seven segment display is the most basic electronic display device that can display digits from 0-9. They find wide application in devices that display numeric information like digital clocks, radio, microwave ovens...
AT89C51 Microcontroller, Atmel 89C51 Controller Image
AT89C51 Microcontroller

AT89C51 is an 8-bit microcontroller and belongs to Atmel's 8051 family. ATMEL 89C51 has 4KB of Flash programmable and erasable read only memory (...

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Thank you
Team EG

 

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