// Seven Segmen Mode Aktif LOW

// Deklarasi nomor Pin
int a=4; 
int b=5; 
int c=6; 
int d=7; 
int e=8; 
int f=9; 
int g=10; 
int dp=11; 

// Deklarasi variable
int jeda=1000;

//display number 0
void display0(void) 
{ 
  digitalWrite(a,LOW);
  digitalWrite(b,LOW);
  digitalWrite(c,LOW);
  digitalWrite(d,LOW);  
  digitalWrite(e,LOW);  
  digitalWrite(f,LOW);  
  digitalWrite(g,HIGH);  
  digitalWrite(dp,LOW); 
} 

//display number 1
void display1(void) 
{  
  digitalWrite(a,HIGH);
  digitalWrite(b,LOW);
  digitalWrite(c,LOW);
  digitalWrite(d,HIGH);
  digitalWrite(e,HIGH);
  digitalWrite(f,HIGH);
  digitalWrite(g,HIGH);
  // digitalWrite(dp,LOW); 
} 
//display number2
void  display2(void) 
{
  digitalWrite(a,LOW);
  digitalWrite(b,LOW);
  digitalWrite(c,HIGH);
  digitalWrite(d,LOW);
  digitalWrite(e,LOW);
  digitalWrite(f,HIGH);
  digitalWrite(g,LOW);
  digitalWrite(dp,LOW); 
}  
// display number3
void display3(void) 
{ 
  digitalWrite(a,LOW);
  digitalWrite(b,LOW);
  digitalWrite(c,LOW);
  digitalWrite(d,LOW);
  digitalWrite(e,HIGH);
  digitalWrite(f,HIGH);
  digitalWrite(g,LOW);
  // digitalWrite(dp,LOW); 
} 
// display number4
void display4(void) 
{  
  digitalWrite(a,HIGH);
  digitalWrite(b,LOW);
  digitalWrite(c,LOW);
  digitalWrite(d,HIGH);
  digitalWrite(e,HIGH);
  digitalWrite(f,LOW);
  digitalWrite(g,LOW);
  digitalWrite(dp,LOW); 
} 
// display number5
void display5(void)  
{ 
  digitalWrite(a,LOW);
  digitalWrite(b,HIGH);
  digitalWrite(c,LOW);
  digitalWrite(d,LOW);
  digitalWrite(e,HIGH);
  digitalWrite(f,LOW);
  digitalWrite(g,LOW);
  // digitalWrite(dp,LOW); 
} 
// display number6
void  display6(void) 
{ 
  digitalWrite(a,LOW);
  digitalWrite(b,HIGH);
  digitalWrite(c,LOW);
  digitalWrite(d,LOW);
  digitalWrite(e,LOW);
  digitalWrite(f,LOW);
  digitalWrite(g,LOW); 
  digitalWrite(dp,LOW); 
} 
// display number7
void display7(void)  
{   
  digitalWrite(a,LOW);
  digitalWrite(b,LOW);
  digitalWrite(c,LOW);
  digitalWrite(d,HIGH);
  digitalWrite(e,HIGH);
  digitalWrite(f,HIGH);
  digitalWrite(g,HIGH); 
  // digitalWrite(dp,LOW); 
}  
// display number8
void display8(void) 
{ 
  digitalWrite(a,LOW);
  digitalWrite(b,LOW);
  digitalWrite(c,LOW);
  digitalWrite(d,LOW);
  digitalWrite(e,LOW);
  digitalWrite(f,LOW);
  digitalWrite(g,LOW);  
  digitalWrite(dp,LOW); 
} 
void display9(void)  
{ 
  digitalWrite(a,LOW);
  digitalWrite(b,LOW);
  digitalWrite(c,LOW);
  digitalWrite(d,LOW);
  digitalWrite(e,HIGH);
  digitalWrite(f,LOW);
  digitalWrite(g,LOW);  
  // digitalWrite(dp,LOW); 
} 
void clearDisplay(void) 
{ 
  digitalWrite(a,HIGH);
  digitalWrite(b,HIGH);
  digitalWrite(c,HIGH);
  digitalWrite(d,HIGH);
  digitalWrite(e,HIGH);  
  digitalWrite(f,HIGH);  
  digitalWrite(g,HIGH);  
  digitalWrite(dp,HIGH); 
} 

void setup() 
{ 
    int i;
    for(i=4;i<=11;i++)  
        pinMode(i,OUTPUT);
} 

void loop() 
{     
    // while(1) 
    // {   
        clearDisplay();
        display0(); 
        delay(jeda); 

        clearDisplay();
        display1(); 
        delay(jeda); 

        clearDisplay();
        display2();  
        delay(jeda); 

        clearDisplay();
        display3(); 
        delay(jeda);

        clearDisplay();
        display4(); 
        delay(jeda);

        clearDisplay(); 
        display5(); 
        delay(jeda);

        clearDisplay();  
        display6(); 
        delay(jeda);

        clearDisplay(); 
        display7(); 
        delay(jeda); 

        clearDisplay();
        display8();  
        delay(jeda); 
        
        clearDisplay();  
        display9(); 
        delay(jeda);      
    // }
}