int botao = 18;
int statusBtn, statusAnt = HIGH;
int cont = 0;
int segA = 25, segB = 26, segC = 14, segD = 12, segE = 13, segF = 33, segG = 32, segP = 27;

void setup() {
  Serial.begin(115200);
  Serial.println("Monitor Serial");
  pinMode(botao, INPUT_PULLUP);
  pinMode(segA, OUTPUT);
  pinMode(segB, OUTPUT);
  pinMode(segC, OUTPUT);
  pinMode(segD, OUTPUT);
  pinMode(segE, OUTPUT);
  pinMode(segF, OUTPUT);
  pinMode(segG, OUTPUT);
  pinMode(segP, OUTPUT);
}

void loop() {
  delay(10);
  statusBtn = digitalRead(botao);
  if(statusBtn == LOW && statusAnt == HIGH){
    cont++;
    Serial.println("Contagem = ");
    Serial.println(cont);
    statusAnt = LOW;
  }
  if(statusBtn == HIGH && statusAnt == LOW){
    statusAnt = HIGH; 
  }
  else if((cont %10) == 0){
    apagar();
    zero();
  }
  else if((cont %10) == 1){
    apagar();
    um();
  }
  else if((cont %10) == 2){
    apagar();
    dois();
  }
  else if((cont %10) == 3){
    apagar();
    tres();
  }
  else if((cont %10) == 4){
    apagar();
    quatro();
  }
  else if((cont %10) == 5){
    apagar();
    cinco();
  }
  else if((cont %10) == 6){
    apagar();
    seis();
  }
  else if((cont %10) == 7){
    apagar();
    sete();
  }
  else if((cont %10) == 8){
    apagar();
    oito();
  }
  else if((cont %10) == 9){
    apagar();
    nove();
  }
}

void apagar(){
  digitalWrite(segA, LOW);
  digitalWrite(segB, LOW);
  digitalWrite(segC, LOW);
  digitalWrite(segD, LOW);
  digitalWrite(segE, LOW);
  digitalWrite(segF, LOW);
  digitalWrite(segG, LOW);
  digitalWrite(segP, LOW);
}

void zero(){
  digitalWrite(segA, HIGH);
  digitalWrite(segB, HIGH);
  digitalWrite(segC, HIGH);
  digitalWrite(segD, HIGH);
  digitalWrite(segE, HIGH);
  digitalWrite(segF, HIGH);
  digitalWrite(segG, LOW);
  digitalWrite(segP, LOW);
}

void um(){
  digitalWrite(segA, LOW);
  digitalWrite(segB, HIGH);
  digitalWrite(segC, HIGH);
  digitalWrite(segD, LOW);
  digitalWrite(segE, LOW);
  digitalWrite(segF, LOW);
  digitalWrite(segG, LOW);
  digitalWrite(segP, LOW);
}

void dois(){
  digitalWrite(segA, HIGH);
  digitalWrite(segB, HIGH);
  digitalWrite(segC, LOW);
  digitalWrite(segD, HIGH);
  digitalWrite(segE, HIGH);
  digitalWrite(segF, LOW);
  digitalWrite(segG, HIGH);
  digitalWrite(segP, LOW);
}

void tres(){
  digitalWrite(segA, HIGH);
  digitalWrite(segB, HIGH);
  digitalWrite(segC, HIGH);
  digitalWrite(segD, HIGH);
  digitalWrite(segE, LOW);
  digitalWrite(segF, LOW);
  digitalWrite(segG, HIGH);
  digitalWrite(segP, LOW);
}

void quatro(){
  digitalWrite(segA, LOW);
  digitalWrite(segB, HIGH);
  digitalWrite(segC, HIGH);
  digitalWrite(segD, LOW);
  digitalWrite(segE, LOW);
  digitalWrite(segF, HIGH);
  digitalWrite(segG, HIGH);
  digitalWrite(segP, LOW);
}

void cinco(){
  digitalWrite(segA, HIGH);
  digitalWrite(segB, LOW);
  digitalWrite(segC, HIGH);
  digitalWrite(segD, HIGH);
  digitalWrite(segE, LOW);
  digitalWrite(segF, HIGH);
  digitalWrite(segG, HIGH);
  digitalWrite(segP, LOW);
}

void seis(){
  digitalWrite(segA, HIGH);
  digitalWrite(segB, LOW);
  digitalWrite(segC, HIGH);
  digitalWrite(segD, HIGH);
  digitalWrite(segE, HIGH);
  digitalWrite(segF, HIGH);
  digitalWrite(segG, HIGH);
  digitalWrite(segP, LOW);
}

void sete(){
  digitalWrite(segA, HIGH);
  digitalWrite(segB, HIGH);
  digitalWrite(segC, HIGH);
  digitalWrite(segD, LOW);
  digitalWrite(segE, LOW);
  digitalWrite(segF, LOW);
  digitalWrite(segG, LOW);
  digitalWrite(segP, LOW);
}

void oito(){
  digitalWrite(segA, HIGH);
  digitalWrite(segB, HIGH);
  digitalWrite(segC, HIGH);
  digitalWrite(segD, HIGH);
  digitalWrite(segE, HIGH);
  digitalWrite(segF, HIGH);
  digitalWrite(segG, HIGH);
  digitalWrite(segP, LOW);
}

void nove(){
  digitalWrite(segA, HIGH);
  digitalWrite(segB, HIGH);
  digitalWrite(segC, HIGH);
  digitalWrite(segD, HIGH);
  digitalWrite(segE, LOW);
  digitalWrite(segF, HIGH);
  digitalWrite(segG, HIGH);
  digitalWrite(segP, LOW);
}