Counterku

Gambar skematik:

Kodenya:
int a=2;

int b=3;

int c=4;

int d=5;

int e=6;

int f=7;

int g=8;

int number=0;

int pin9=9;

int pin10=10;

int pin11=11;

int pin12=12;

int tens=0;

int unit=0;

int digit=0;

int hundreds=0;

int tens1=0;

int presentvalue=0;

int previousvalue=0;

void setup()

{

//Serial.begin(9600);

pinMode(a,OUTPUT);

pinMode(b,OUTPUT);

pinMode(c,OUTPUT);

pinMode(d,OUTPUT);

pinMode(e,OUTPUT);

pinMode(f,OUTPUT);

pinMode(g,OUTPUT);

pinMode(pin9,OUTPUT);

pinMode(pin10,OUTPUT);

pinMode(pin11,OUTPUT);

pinMode(pin12,INPUT);

}

void loop()

{

presentvalue=digitalRead(pin12);

if (presentvalue!=previousvalue)

{

if (presentvalue==1)

{number=number+1;}

previousvalue=presentvalue;

}

display1();

}

void display1()

{

hundreds=number/100;

tens1=number%100;

tens=tens1/10;

unit=tens1%10;

for (int i=0;i<=10;i++)

{

  digit=hundreds;

  digitselection();

  digitalWrite(pin9,HIGH);

  digitalWrite(pin10,LOW);

  digitalWrite(pin11,LOW);

  delay(1);

 

  digit=tens;

  digitselection(); 

  digitalWrite(pin9,LOW);

  digitalWrite(pin10,HIGH);

  digitalWrite(pin11,LOW);

  delay(1);

 

  digit=unit;

  digitselection(); 

  digitalWrite(pin9,LOW);

  digitalWrite(pin10,LOW);

  digitalWrite(pin11,HIGH);

  delay(1);

}

if (number>999) {number=0;}

}

void zero()

{

digitalWrite(a,HIGH);

digitalWrite(d,HIGH);

digitalWrite(e,HIGH);

digitalWrite(f,HIGH);

digitalWrite(g,LOW);

digitalWrite(b,HIGH);

digitalWrite(c,HIGH);

}

void one()

{

digitalWrite(a,LOW);

digitalWrite(d,LOW);

digitalWrite(e,LOW);

digitalWrite(f,LOW);

digitalWrite(g,LOW);

digitalWrite(b,HIGH);

digitalWrite(c,HIGH);

}

void two()

{

digitalWrite(c,LOW);

digitalWrite(f,LOW);

digitalWrite(a,HIGH);

digitalWrite(b,HIGH);

digitalWrite(g,HIGH);

digitalWrite(e,HIGH);

digitalWrite(d,HIGH);

}

void three()

{

digitalWrite(e,LOW);

digitalWrite(f,LOW);

digitalWrite(a,HIGH);

digitalWrite(b,HIGH);

digitalWrite(g,HIGH);

digitalWrite(c,HIGH);

digitalWrite(d,HIGH);

}

void four()

{

digitalWrite(a,LOW);

digitalWrite(d,LOW);

digitalWrite(e,LOW);

digitalWrite(b,HIGH);

digitalWrite(c,HIGH);

digitalWrite(f,HIGH);

digitalWrite(g,HIGH);

}

void five()

{

digitalWrite(e,LOW);

digitalWrite(b,LOW);

digitalWrite(a,HIGH);

digitalWrite(f,HIGH);

digitalWrite(g,HIGH);

digitalWrite(c,HIGH);

digitalWrite(d,HIGH);

}

void six()

{

digitalWrite(a,LOW);

digitalWrite(b,LOW);

digitalWrite(f,HIGH);

digitalWrite(g,HIGH);

digitalWrite(c,HIGH);

digitalWrite(d,HIGH);

digitalWrite(e,HIGH);

}

void seven()

{

digitalWrite(d,LOW);

digitalWrite(e,LOW);

digitalWrite(f,LOW);

digitalWrite(g,LOW);

digitalWrite(a,HIGH);

digitalWrite(b,HIGH);

digitalWrite(c,HIGH);

}

void eight()

{

digitalWrite(a,HIGH);

digitalWrite(b,HIGH);

digitalWrite(c,HIGH);

digitalWrite(d,HIGH);

digitalWrite(e,HIGH);

digitalWrite(f,HIGH);

digitalWrite(g,HIGH);

}

void nine()

{

digitalWrite(d,LOW);

digitalWrite(e,LOW);

digitalWrite(a,HIGH);

digitalWrite(b,HIGH);

digitalWrite(c,HIGH);

digitalWrite(f,HIGH);

digitalWrite(g,HIGH);

}

void digitselection()

{

  switch (digit)

  {

    case 0:

    zero();

    break;

    case 1:

    one();

    break;

    case 2:

    two();

    break;

    case 3:

    three();

    break;

    case 4:

    four();

    break;

    case 5:

    five();

    break;

    case 6:

    six();

    break;

    case 7:

    seven();

    break;

    case 8:

    eight();

    break;

    case 9:

    nine();

    break;

  } 

}