// To blink the LEDs on SSD

#define  a 2//connecting segment  a to PIN2
#define  b 3// connecting segment  b to PIN3
#define  c 4// connecting segment  c to PIN4
#define  d 5// connecting segment  d to PIN5
#define  e 6// connecting segment  e to PIN6
#define  f 8// connecting segment  f to PIN8
#define  g 9// connecting segment  g to PIN9

void setup(){
  pinMode(a, OUTPUT); 
  pinMode(b, OUTPUT); 
  pinMode(c, OUTPUT); 
  pinMode(d, OUTPUT); 
  pinMode(e, OUTPUT); 
  pinMode(f, OUTPUT);  
  pinMode(g, OUTPUT);  
}

// Code to blink the seven segment display

void loop(){
digitalWrite(a,HIGH);
digitalWrite(b,HIGH);
digitalWrite(c,HIGH);
digitalWrite(d,HIGH);
digitalWrite(e,HIGH);
digitalWrite(f,HIGH);
digitalWrite(g,HIGH);
delay(1000);
digitalWrite(a,LOW);
digitalWrite(b,LOW);
digitalWrite(c,LOW);
digitalWrite(d,LOW);
digitalWrite(e,LOW);
digitalWrite(f,LOW);
digitalWrite(g,LOW);
delay(1000);
}

*********************************************************

// Copy and paste the below code in the void loop()
// To display digit from 0 to 4

void loop() 
{
//ZERO
digitalWrite(a,HIGH);
digitalWrite(b,HIGH);
digitalWrite(c,HIGH);
digitalWrite(d,HIGH);
digitalWrite(e,HIGH);
digitalWrite(f,HIGH);
digitalWrite(g,LOW);
delay(1000);
//ONE
digitalWrite(a,LOW);
digitalWrite(b,HIGH);
digitalWrite(c,HIGH);
digitalWrite(d,LOW);
digitalWrite(e,LOW);
digitalWrite(f,LOW);
digitalWrite(g,LOW);
delay(1000);
//TWO
digitalWrite(a,HIGH);
digitalWrite(b,HIGH);
digitalWrite(c,LOW);
digitalWrite(d,HIGH);
digitalWrite(e,HIGH);
digitalWrite(f,LOW);
digitalWrite(g,HIGH);
delay(1000);
//THREE
digitalWrite(a,HIGH);
digitalWrite(b,HIGH);
digitalWrite(c,HIGH);
digitalWrite(d,HIGH);
digitalWrite(e,LOW);
digitalWrite(f,LOW);
digitalWrite(g,HIGH);
delay(1000);
//FOUR
digitalWrite(a,LOW);
digitalWrite(b,HIGH);
digitalWrite(c,HIGH);
digitalWrite(d,LOW);
digitalWrite(e,LOW);
digitalWrite(f,HIGH);
digitalWrite(g,HIGH);
delay(1000);
}


