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Interface Seven segment With Pic

Description

A Seven-segment display used to display digits from 0-9.Seven segment display widely used in digital clocks, weight machines, Ph meters, etc.

The common configuration has an array of eight LEDs arranged to display these digits. Led is assigned a name from a to h and identified by its name. Seven LEDs a to g are used to display the numerals while eighth led h is used to display the dot/decimal.

Direction Table

Hardware Required

  • Seven segment Display.
  • Pic16f877a MicroController.

Circuit

Virtual Circuit

Code

 void main()
 {
 TRISB=0;
 while(1)
 {
 PORTB=0X3F;
 Delay_ms(500);
 PORTB=0X06;
 Delay_ms(500);
 PORTB=0X5B;
 Delay_ms(500);
 PORTB=0X4F;
 Delay_ms(500);
 PORTB=0X66;
 Delay_ms(500);
 PORTB=0X6D;
 Delay_ms(500);
 PORTB=0X7D;
 Delay_ms(500);
 PORTB=0X07;
 Delay_ms(500);
 PORTB=0X7F;
 Delay_ms(500);
 PORTB=0X67;
 Delay_ms(500);
 }
 } 

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