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delay(n);

g3=0;

delay(n);

r4=0;

delay(n);

g4=0;

delay(n);

//reverse movement

g1=1,g2=1,g3=1,g4=0;

r1=1,r2=1,r3=1,r4=1;

delay(n);

r4=0;

delay(n);

g3=0;

delay(n);

r3=0;

delay(n);

g2=0;

delay(n);

r2=0;

delay(n);g1=0;

delay(n);

r1=0;

delay(n);

}

}

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8/2/2019 LED Projects With 8051 Part1

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#include

//declaratiobn of LED names

sbit r1=P0^0;

sbit g1=P0^1;

sbit r2=P0^2;

sbit g2=P0^3;

sbit r3=P0^4;

sbit g3=P0^5;

sbit r4=P0^6;

sbit g4=P0^7;

// declaring delay function

void delay(int time) //This function produces a delay in msec.

{

int i,j;

for(i=0;i

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