رابط سون سگمنت آردوینو

int segment_a = 7; // declare the variables
int segment_b = 6;
int segment_c = 5;
int segment_d = 4;
int segment_e = 3;
int segment_f = 2;
int segment_g = 1;
int segment_dp = 0;


void setup() 
{
  pinMode(segment_a,OUTPUT); // configure all seven segment pins to outputs
  pinMode(segment_b,OUTPUT);
  pinMode(segment_c,OUTPUT);
  pinMode(segment_d,OUTPUT);
  pinMode(segment_e,OUTPUT);
  pinMode(segment_f,OUTPUT);
  pinMode(segment_g,OUTPUT);
  pinMode(segment_dp,OUTPUT);
 
}

void loop() {

for (int i = 0; i < 10; i++) 
{ // make count 0 - 9
 switch(i)
   { // switch statemet to display the number 
  
  case 0: // set relevent segments HIGH and others LOW to display Number 0
  digitalWrite(segment_a,HIGH);
  digitalWrite(segment_b,HIGH);
  digitalWrite(segment_c,HIGH);
  digitalWrite(segment_d,HIGH);
  digitalWrite(segment_e,HIGH);
  digitalWrite(segment_f,HIGH);
  digitalWrite(segment_g,LOW);
  digitalWrite(segment_dp,LOW);
  break;

  case 1: // set relevent segments HIGH and others LOW to display Number 1
  digitalWrite(segment_a,LOW);
  digitalWrite(segment_b,HIGH);
  digitalWrite(segment_c,HIGH);
  digitalWrite(segment_d,LOW);
  digitalWrite(segment_e,LOW);
  digitalWrite(segment_f,LOW);
  digitalWrite(segment_g,LOW);
  digitalWrite(segment_dp,LOW);
  break;

  case 2: // set relevent segments HIGH and others LOW to display Number 2
  digitalWrite(segment_a,HIGH);
  digitalWrite(segment_b,HIGH);
  digitalWrite(segment_c,LOW);
  digitalWrite(segment_d,HIGH);
  digitalWrite(segment_e,HIGH);
  digitalWrite(segment_f,LOW);
  digitalWrite(segment_g,HIGH);
  digitalWrite(segment_dp,LOW);
  break;

  case 3: // set relevent segments HIGH and others LOW to display Number 3
  digitalWrite(segment_a,HIGH);
  digitalWrite(segment_b,HIGH);
  digitalWrite(segment_c,HIGH);
  digitalWrite(segment_d,HIGH);
  digitalWrite(segment_e,LOW);
  digitalWrite(segment_f,LOW);
  digitalWrite(segment_g,HIGH);
  digitalWrite(segment_dp,LOW);
  break;

  case 4: // set relevent segments HIGH and others LOW to display Number 4
  digitalWrite(segment_a,LOW);
  digitalWrite(segment_b,HIGH);
  digitalWrite(segment_c,HIGH);
  digitalWrite(segment_d,LOW);
  digitalWrite(segment_e,LOW);
  digitalWrite(segment_f,HIGH);
  digitalWrite(segment_g,HIGH);
  digitalWrite(segment_dp,LOW);
  break;

  case 5: // set relevent segments HIGH and others LOW to display Number 5
  digitalWrite(segment_a,HIGH);
  digitalWrite(segment_b,LOW);
  digitalWrite(segment_c,HIGH);
  digitalWrite(segment_d,HIGH);
  digitalWrite(segment_e,LOW);
  digitalWrite(segment_f,HIGH);
  digitalWrite(segment_g,HIGH);
  digitalWrite(segment_dp,LOW);
  break;

  case 6: // set relevent segments HIGH and others LOW to display Number 6
  digitalWrite(segment_a,HIGH);
  digitalWrite(segment_b,LOW);
  digitalWrite(segment_c,HIGH);
  digitalWrite(segment_d,HIGH);
  digitalWrite(segment_e,HIGH);
  digitalWrite(segment_f,HIGH);
  digitalWrite(segment_g,HIGH);
  digitalWrite(segment_dp,LOW);
  break;

  case 7: // set relevent segments HIGH and others LOW to display Number 7
  digitalWrite(segment_a,HIGH);
  digitalWrite(segment_b,HIGH);
  digitalWrite(segment_c,HIGH);
  digitalWrite(segment_d,LOW);
  digitalWrite(segment_e,LOW);
  digitalWrite(segment_f,LOW);
  digitalWrite(segment_g,LOW);
  digitalWrite(segment_dp,LOW);
  break;

  case 8: // set relevent segments HIGH and others LOW to display Number 8
  digitalWrite(segment_a,HIGH);
  digitalWrite(segment_b,HIGH);
  digitalWrite(segment_c,HIGH);
  digitalWrite(segment_d,HIGH);
  digitalWrite(segment_e,HIGH);
  digitalWrite(segment_f,HIGH);
  digitalWrite(segment_g,HIGH);
  digitalWrite(segment_dp,LOW);
  break;

  case 9: // set relevent segments HIGH and others LOW to display Number 9
  digitalWrite(segment_a,HIGH);
  digitalWrite(segment_b,HIGH);
  digitalWrite(segment_c,HIGH);
  digitalWrite(segment_d,HIGH);
  digitalWrite(segment_e,LOW);
  digitalWrite(segment_f,HIGH);
  digitalWrite(segment_g,HIGH);
  digitalWrite(segment_dp,LOW);
  break;

   }
  delay(1000); // delay for 1 second.
  }

}