int A = 25;
int B = 26;
int C = 27;
int D = 12;
int E = 13;
int F = 32;
int G = 23;
int COM1 = 14;
int COM2 = 33;
int tempo = 1000;
int numero = 0;

void setup() {

  Serial.begin(9600);
  pinMode(A, OUTPUT);
  pinMode(B, OUTPUT);
  pinMode(C, OUTPUT);
  pinMode(D, OUTPUT);
  pinMode(E, OUTPUT);
  pinMode(F, OUTPUT);
  pinMode(G, OUTPUT);
  pinMode(COM1, OUTPUT);
  pinMode(COM2, OUTPUT);


}

void loop() {
  numero = random(10);
  delay(1000);
  Serial.println(numero);

  if (numero == 1){
    delay(tempo);
    erro(0, 1, 1, 0, 0, 0, 0);
  }
  else {
     construirnumero(numero);

  }
}

 void construirnumero(int numero){

  if (numero == 9){
  nove(0, 0, 0, 0, 1, 0, 0);
  delay(tempo);
  }

  if (numero == 8){
  oito(0, 0, 0, 0, 0, 0, 0);
  delay(tempo);
  }

  if (numero == 7){
  sete(0, 0, 0, 1, 1, 1, 1);
  delay(tempo);
  }

  if (numero == 6){
    nove(0, 0, 0, 0, 1, 0, 0);
    delay(tempo);
  }

  if (numero == 5){
  cinco(0, 1, 0, 0, 1, 0, 0);
  delay(tempo);
  }

  if (numero == 4){
  quatro(1, 0, 0, 1, 1, 0, 0);
  delay(tempo);
  }

  if (numero == 3){
  tres(0, 0, 0, 0, 1, 1, 0);
  delay(tempo);
  }
  if (numero == 2){
  dois(0, 0, 1, 0, 0, 1, 0);
  delay(tempo);
  }
  if (numero == 1){
  um (1, 0, 0, 1, 1, 1, 1);
  delay(tempo);
  }
  if (numero == 0){
  zero(0, 0, 0, 0, 0, 0, 1);
  delay(tempo);
  }
}



void nove(int statusA, int statusB, int statusC, int statusD, int statusE, int statusF, int statusG) {
  digitalWrite(A, statusA);
  digitalWrite(B, statusB);
  digitalWrite(C, statusC);
  digitalWrite(D, statusD);
  digitalWrite(E, statusE);
  digitalWrite(F, statusF);
  digitalWrite(G, statusG);
  digitalWrite(COM1, HIGH);
  digitalWrite(COM1, HIGH);
}

void oito(int statusA, int statusB, int statusC, int statusD, int statusE, int statusF, int statusG) {
  digitalWrite(A, statusA);
  digitalWrite(B, statusB);
  digitalWrite(C, statusC);
  digitalWrite(D, statusD);
  digitalWrite(E, statusE);
  digitalWrite(F, statusF);
  digitalWrite(G, statusG);
  digitalWrite(COM1, HIGH);
  digitalWrite(COM1, HIGH);
}
void sete(int statusA, int statusB, int statusC, int statusD, int statusE, int statusF, int statusG) {
  digitalWrite(A, statusA);
  digitalWrite(B, statusB);
  digitalWrite(C, statusC);
  digitalWrite(D, statusD);
  digitalWrite(E, statusE);
  digitalWrite(F, statusF);
  digitalWrite(G, statusG);
  digitalWrite(COM1, HIGH);
  digitalWrite(COM1, HIGH);
}

void seis(int statusA, int statusB, int statusC, int statusD, int statusE, int statusF, int statusG) {
  digitalWrite(A, statusA);
  digitalWrite(B, statusB);
  digitalWrite(C, statusC);
  digitalWrite(D, statusD);
  digitalWrite(E, statusE);
  digitalWrite(F, statusF);
  digitalWrite(G, statusG);
  digitalWrite(COM1, HIGH);
  digitalWrite(COM1, HIGH);
}
void cinco(int statusA, int statusB, int statusC, int statusD, int statusE, int statusF, int statusG) {
  digitalWrite(A, statusA);
  digitalWrite(B, statusB);
  digitalWrite(C, statusC);
  digitalWrite(D, statusD);
  digitalWrite(E, statusE);
  digitalWrite(F, statusF);
  digitalWrite(G, statusG);
  digitalWrite(COM1, HIGH);
  digitalWrite(COM1, HIGH);
}

void quatro(int statusA, int statusB, int statusC, int statusD, int statusE, int statusF, int statusG) {
  digitalWrite(A, statusA);
  digitalWrite(B, statusB);
  digitalWrite(C, statusC);
  digitalWrite(D, statusD);
  digitalWrite(E, statusE);
  digitalWrite(F, statusF);
  digitalWrite(G, statusG);
  digitalWrite(COM1, HIGH);
  digitalWrite(COM1, HIGH);
}

void tres(int statusA, int statusB, int statusC, int statusD, int statusE, int statusF, int statusG) {
  digitalWrite(A, statusA);
  digitalWrite(B, statusB);
  digitalWrite(C, statusC);
  digitalWrite(D, statusD);
  digitalWrite(E, statusE);
  digitalWrite(F, statusF);
  digitalWrite(G, statusG);
  digitalWrite(COM1, HIGH);
  digitalWrite(COM1, HIGH);
}

void dois(int statusA, int statusB, int statusC, int statusD, int statusE, int statusF, int statusG) {
  digitalWrite(A, statusA);
  digitalWrite(B, statusB);
  digitalWrite(C, statusC);
  digitalWrite(D, statusD);
  digitalWrite(E, statusE);
  digitalWrite(F, statusF);
  digitalWrite(G, statusG);
  digitalWrite(COM1, HIGH);
  digitalWrite(COM1, HIGH);
}

void um(int statusA, int statusB, int statusC, int statusD, int statusE, int statusF, int statusG) {
  digitalWrite(A, statusA);
  digitalWrite(B, statusB);
  digitalWrite(C, statusC);
  digitalWrite(D, statusD);
  digitalWrite(E, statusE);
  digitalWrite(F, statusF);
  digitalWrite(G, statusG);
  digitalWrite(COM1, HIGH);
  digitalWrite(COM1, HIGH);
}

void zero(int statusA, int statusB, int statusC, int statusD, int statusE, int statusF, int statusG) {
  digitalWrite(A, statusA);
  digitalWrite(B, statusB);
  digitalWrite(C, statusC);
  digitalWrite(D, statusD);
  digitalWrite(E, statusE);
  digitalWrite(F, statusF);
  digitalWrite(G, statusG);
  digitalWrite(COM1, HIGH);
  digitalWrite(COM1, HIGH);

}

void erro(int statusA, int statusB, int statusC, int statusD, int statusE, int statusF, int statusG) {
  digitalWrite(A, statusA);
  digitalWrite(B, statusB);
  digitalWrite(C, statusC);
  digitalWrite(D, statusD);
  digitalWrite(E, statusE);
  digitalWrite(F, statusF);
  digitalWrite(G, statusG);
  digitalWrite(COM1, HIGH);
  digitalWrite(COM1, HIGH);
}