#include <Arduino.h>

const int segments[] = {2, 3, 4, 5, 6, 7, 8}; // Adjust pins based on your connections

void setup()
 {
  for (int i = 0; i < 7; i++) {
    pinMode(segments[i], OUTPUT);
  }
}

void loop() 
{
  // Display numbers from 0 to 9
  for (int i = 0; i < 10; i++) {
    displayNumber(i);
    delay(1000); // Delay of 1 second between numbers
  }
}

void displayNumber(int num)
 {
  // Define segment patterns for each digit
  byte digitPatterns[10] = {
    B1111110, // 0
    B0110000, // 1
    // ... other digits
  };

  // Turn off all segments
  for (int i = 0; i < 7; i++) 
  {
    digitalWrite(segments[i], HIGH); // For common anode, use LOW for common cathode
  }

  // Turn on segments for the current number
  byte pattern = digitPatterns[num];
  for (int i = 0; i < 7; i++) 
  {
    if (bitRead(pattern, i) == 1)
     {
      digitalWrite(segments[i], LOW); // For common anode, use HIGH for common cathode
    }
  }
}