interface 89C51/AVR microcontroller and write the c program to display numbers from 0 to 9 on 7-segment display with specified delay

 EXP 10 AIM: interface 89C51/AVR microcontroller and write the c program to display numbers from 0 to 9 on 7-segment display with specified delay

Flowchart: 

Algorithm: 

Diagram:

OR

Program:

#include<reg51.h>                                                  /*Special function register declarations*/

                                                                                    /* for the intended 8051 derivative */

sbit watertankempty=P2^0;

sbit watertankfull=P2^7;

void main (void)

{

watertankempty=1; //Make port 2.0 input. watertankfull=1; //Make port 2.7 input. P1=0x00; //Make port 1 as output. while(1) //Infinite while loop { if (watertankempty = 0) { P1=0x86; //Hex code to display 'E' on 7 segment. }

P1=0xff; else if (watertankfull = 0) { P1=0x8E; //Hex code to display 'F' on 7 segment. }

else P1=0xff; }

}

or