// 2846599 DESARROLLO DE SISTEMAS ELECTRONICOS INDUSTRIALES
// Práctica conteo regresivo con visualizador de 7 digitos
// Aprendiz: Shmuel Yehudah Otalvaro Segura

int const led2=2;
int const led3=3;
int const led4=4;
int const led5=5;
int const led6=6;
int const led7=7;
int const led8=8;
void setup(){
pinMode(led2,OUTPUT);
pinMode(led3,OUTPUT);
pinMode(led4,OUTPUT);
pinMode(led5,OUTPUT);
pinMode(led6,OUTPUT);
pinMode(led7,OUTPUT);
pinMode(led8,OUTPUT);
}
void loop(){
for(int i=9;i>-1; i--){
  funcNum(i);
  delay(1000);
  }
}
void funcNum(int x){
  switch (x){
   case 0://when count value is zero show”0” on disp
    digitalWrite(2, HIGH);
    digitalWrite(3, HIGH);
    digitalWrite(4, HIGH);
    digitalWrite(5, LOW);
    digitalWrite(6, HIGH);
    digitalWrite(7, HIGH);
    digitalWrite(8, HIGH);
  break;
   case 1:// when count value is 1 show”1” on disp
    digitalWrite(2, HIGH);
    digitalWrite(3, LOW);
    digitalWrite(4, LOW);
    digitalWrite(5, LOW);
    digitalWrite(6, LOW);
    digitalWrite(7, LOW);
    digitalWrite(8, HIGH);
   break;
   case 2:// when count value is 2 show”2” on disp
   digitalWrite(2, LOW);
   digitalWrite(3, HIGH);
   digitalWrite(4, HIGH);
   digitalWrite(5, HIGH);
   digitalWrite(6, LOW);
   digitalWrite(7, HIGH);
   digitalWrite(8, HIGH);
  break;
   case 3:// when count value is 3 show”3” on disp
   digitalWrite(2, HIGH);
   digitalWrite(3, HIGH);
   digitalWrite(4, LOW);
   digitalWrite(5, HIGH);
   digitalWrite(6, LOW);
   digitalWrite(7, HIGH);
   digitalWrite(8, HIGH);
   break;
   case 4:// when count value is 4 show”4” on disp
   digitalWrite(2, HIGH);
   digitalWrite(3, LOW);
   digitalWrite(4, LOW);
   digitalWrite(5, HIGH);
   digitalWrite(6, HIGH);
   digitalWrite(7, LOW);
   digitalWrite(8, HIGH);
   break;
   case 5:// when count value is 5 show”5” on disp
   digitalWrite(2, HIGH);
   digitalWrite(3, HIGH);
   digitalWrite(4, LOW);
   digitalWrite(5, HIGH);
   digitalWrite(6, HIGH);
   digitalWrite(7, HIGH);
   digitalWrite(8, LOW);
   break;
   case 6:// when count value is 5 show”5” on disp
   digitalWrite(2, HIGH);
   digitalWrite(3, HIGH);
   digitalWrite(4, HIGH);
   digitalWrite(5, HIGH);
   digitalWrite(6, HIGH);
   digitalWrite(7, HIGH);
   digitalWrite(8, LOW);
   break;
   case 7:// when count value is 5 show”5” on disp
  digitalWrite(2, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, HIGH);
  digitalWrite(8, HIGH);
  break;
  case 8:// when count value is 8 show”8” on disp
  digitalWrite(2, HIGH);
  digitalWrite(3, HIGH);
  digitalWrite(4, HIGH);
  digitalWrite(5, HIGH);
  digitalWrite(6, HIGH);
  digitalWrite(7, HIGH);
  digitalWrite(8, HIGH);
  break;
  case 9:// when count value is 8 show”8” on disp
   digitalWrite(2, HIGH);
   digitalWrite(3, HIGH);
   digitalWrite(4, LOW);
   digitalWrite(5, HIGH);
   digitalWrite(6, HIGH);
   digitalWrite(7, HIGH);
   digitalWrite(8, HIGH);
  break;

  }
}