Interfacing 7 segment display module with 8051 Microcontroller

Once you get started with 8051 microcontroller and do some initial experiments like LED Interfacing, you would like to move ahead with interfacing some commonly used sensors and display units like LCDs and 7 segment displays. Let us see a tutorial which will share the details of 7 segment displays, their working and a detailed guide to interface with 8051 microcontroller.

Seven segment displays are among the simplest display units to display numbers and some characters. It consists 8 LEDs, each LED used to illuminate one segment of unit and the 8th LED used to illuminate DOT in 7 segment display. We can refer each segment as a LINE, as we can see there are 7 lines in the unit, which are used to display a number/character.

Check out the circuit diagram and C program to interface 7 segment display with 8051 microcontroller.

Here is the video which depicts a 0-9 number counter on the 7 segment.

Interfacing LED with 8051 Microcontroller

LED Interfacing program is the first program you would like to write while getting started working with 8051 series or any other microcontrollers. Here is a tutorial for those who want to learn 8051 microcontroller programming - Tutorial on LED Interfacing with 8051 Microcontroller

Here basic concepts of working with 8051 microcontrollers are covered with pin diagrams of 89S52 microcontroller and their role in the microcontroller. 

Check this complete tutorial and try your hands on this small experiment by writing a simple C program to blink an LED.

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