//SEVEN SEGMENT
const int segmentA = 0;
const int segmentB = 1;
const int segmentC = 2;
const int segmentD = 3;
const int segmentE = 4;
const int segmentF = 5;
const int segmentG = 6;

void setup() {
  // Set the pins as outputs
  pinMode(segmentA, OUTPUT);
  pinMode(segmentB, OUTPUT);
  pinMode(segmentC, OUTPUT);
  pinMode(segmentD, OUTPUT);
  pinMode(segmentE, OUTPUT);
  pinMode(segmentF, OUTPUT);
  pinMode(segmentG, OUTPUT);
}

void displayDigit(int digit) 
{
  switch (digit) {
    case 0:
      digitalWrite(segmentA, LOW);
      digitalWrite(segmentB, LOW);
      digitalWrite(segmentC, LOW);
      digitalWrite(segmentD, LOW);
      digitalWrite(segmentE, LOW);
      digitalWrite(segmentF, LOW);
      digitalWrite(segmentG, HIGH);
      break;
    case 1:
      digitalWrite(segmentA, HIGH);
      digitalWrite(segmentB, LOW);
      digitalWrite(segmentC, LOW);
      digitalWrite(segmentD, HIGH);
      digitalWrite(segmentE, HIGH);
      digitalWrite(segmentF, HIGH);
      digitalWrite(segmentG, HIGH);
      break;
    case 2:
      digitalWrite(segmentA, LOW);
      digitalWrite(segmentB, LOW);
      digitalWrite(segmentC, HIGH);
      digitalWrite(segmentD, LOW);
      digitalWrite(segmentE, LOW);
      digitalWrite(segmentF, HIGH);
      digitalWrite(segmentG, LOW);
      break;
    case 3:
      digitalWrite(segmentA, LOW);
      digitalWrite(segmentB, LOW);
      digitalWrite(segmentC, LOW);
      digitalWrite(segmentD, LOW);
      digitalWrite(segmentE, HIGH);
      digitalWrite(segmentF, HIGH);
      digitalWrite(segmentG, LOW);
      break;
     case 4:
      digitalWrite(segmentA, HIGH);
      digitalWrite(segmentB, LOW);
      digitalWrite(segmentC, LOW);
      digitalWrite(segmentD, HIGH);
      digitalWrite(segmentE, HIGH);
      digitalWrite(segmentF, LOW);
      digitalWrite(segmentG, LOW);
      break;
    case 5:
      digitalWrite(segmentA, LOW);
      digitalWrite(segmentB, HIGH);
      digitalWrite(segmentC, LOW);
      digitalWrite(segmentD, LOW);
      digitalWrite(segmentE, HIGH);
      digitalWrite(segmentF, LOW);
      digitalWrite(segmentG, LOW);
      break;
    case 6:
      digitalWrite(segmentA, LOW);
      digitalWrite(segmentB, HIGH);
      digitalWrite(segmentC, LOW);
      digitalWrite(segmentD, LOW);
      digitalWrite(segmentE, LOW);
      digitalWrite(segmentF, LOW);
      digitalWrite(segmentG, LOW);
      break;
    case 7:
      digitalWrite(segmentA, LOW);
      digitalWrite(segmentB, LOW);
      digitalWrite(segmentC, LOW);
      digitalWrite(segmentD, HIGH);
      digitalWrite(segmentE, HIGH);
      digitalWrite(segmentF, HIGH);
      digitalWrite(segmentG, HIGH);
      break;
    case 8:
      digitalWrite(segmentA, LOW);
      digitalWrite(segmentB, LOW);
      digitalWrite(segmentC, LOW);
      digitalWrite(segmentD, LOW);
      digitalWrite(segmentE, LOW);
      digitalWrite(segmentF, LOW);
      digitalWrite(segmentG, LOW);
      break;
    case 9:
      digitalWrite(segmentA, LOW);
      digitalWrite(segmentB, LOW);
      digitalWrite(segmentC, LOW);
      digitalWrite(segmentD, LOW);
      digitalWrite(segmentE, HIGH);
      digitalWrite(segmentF, LOW);
      digitalWrite(segmentG, LOW);
      break;
    // Add cases for digits 1 to 9
  }
}

void loop() {
  // Display numbers 0 to 9
  for (int i = 0; i < 10; i++) {
    displayDigit(i);
    delay(2000);
  }
}