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Hello Instructables!

This is my second instructables.

Who said that electronics can’t be romantic?

We can use it to show a person our love, and it is exactly what we are going to do: a present, as simple to realize as wonderful to see, to give to the person we love.

It could be a great gift for Valentine’s Day or anniversary.

some little red LEDs arranged in a heart shape.

You can see the final result in the picture above. It's amazing!

Step 1: What We Need

These are the components

26 red LED

one switch

one battery case (5v)

soldering kit

atmega16

usbasp programmer

general board

wires

Step 2: Making Heart

step 1: use proteus

step 2: create program (winavr)

step 3: check it into proteus

step 4: implement the circuit on general pcb board

step 5: burn the .hex into atmega16 through usbasp programmer

Step 3: Code

1111111111111#include<avr/io.h>

#include<util/delay.h>

int main(i,Z,J,Q,A,B,C,D,e,f,g,h,m,n)

{

DDRA=0xff;

DDRB=0XFF;

DDRC=0XFF;

DDRD=0XFF;

while(1)

{ for(i=128,Z=1,i>=1,Z<=128;i&&Z;i=i/2,Z=Z*2)

{

PORTA|=i;

_delay_ms(20);

PORTD|=Z;

}

for(J=1,Q=128,J<=128,Q>=16;J&&Q;J=J*2,Q=Q/2)

{ PORTB|=J;

_delay_ms(20);

PORTC|=Q;

}

{ PORTA=0X00; PORTB=0X00; PORTC=0X00; PORTD=0X00; _delay_ms(50); } for(A=128,B=1,A>=1,B<=128;A&&B;A=A/2,B=B*2)

{ PORTA=A;

_delay_ms(20);

PORTD=B;

}

{ PORTA=0b00000000;

PORTD=0b00000000;

_delay_ms(20);

}

for(C=1,D=128,C<=128,D>=16;C&&D;C=C*2,D=D/2)

{

PORTB=C;

_delay_ms(20);

PORTC=D;

}

{

PORTA=0X00; PORTB=0X00; PORTC=0X00; PORTD=0X00; _delay_ms(50);

PORTA=0XFF; PORTB=0XFF; PORTC=0XFF; PORTD=0XFF; _delay_ms(50);

PORTA=0X00; PORTB=0X00; PORTC=0X00; PORTD=0X00; _delay_ms(50);

PORTA=0XFF; PORTB=0XFF; PORTC=0XFF; PORTD=0XFF; _delay_ms(50);

}

for(m=1;m<=5;m++)

{

PORTA=0XFF; PORTB=0XFF; PORTC=0XFF; PORTD=0XFF; _delay_ms(50); for(e=128,f=1,e>=1,f<=128;e&&f;e=e/2,f=f*2)

{

PORTA&=~e;

_delay_ms(5*m);

PORTD&=~f;

}

for(g=1,h=128,g<=128,h>=16;g&&h;g=g*2,h=h/2)

{

PORTB&=~g;

_delay_ms(50);

PORTC&=~h; }}

for(n=1;n<=10;n++)

{

n;

PORTA=0XFF; PORTB=0XFF; PORTC=0X00; PORTD=0X00; _delay_ms(20);

PORTA=0X00; PORTB=0X00; PORTC=0XFF; PORTD=0XFF; _delay_ms(20);

}

}}

Step 4: Conclusion

connect the battery

and give the final touch.

You are ready to show your love:

turn it on!I assure it's as beautiful to look at, as simple to make.(Sorry for image's bad quality)

If you like this instructable,

please vote me.

Thank you!

<p>Dear Sir:</p><p>Any circuit needing programing, should be offered with its HEX file, or for many novices and radio amateurs it would be useless. so please try to offer your circuits a long with its HEX files.</p><p>thanks a lot</p><p>Saeed Mahdavi Asl. </p>
<p>If only you had included the HEX. It would have been marvelous,</p>
<p>Hi Dear man:</p><p>if only you had included the HEX file too. it would have been marvelous.</p>

About This Instructable

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Bio: can't say about my self it's totally depends on ur behavior
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