int pinA=26;
int pinB=27;
int pinC=14;
int pinD=12;
int pinE=13;
int pinF=25;
int pinG=33;

int siete1=5;
int siete2=18;


int anterior=0;
int actual=0;
int i=0;
int c=0;
int n=0;
int tim=200;

byte digits[10]={
  B0000001,  //0
  B1001111,  //1
  B0010010,   //2
  B0000110,  //3
  B1001100,  //4
  B0100100,  //5
  B0100000,  //6
  B0001111,  //7
  B0000000,  //8
  B0000100  //9
};


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(pinA, OUTPUT);
  pinMode(pinB, OUTPUT);
  pinMode(pinC, OUTPUT);
  pinMode(pinD, OUTPUT);
  pinMode(pinE, OUTPUT);
  pinMode(pinF, OUTPUT);
  pinMode(pinG, OUTPUT);
  pinMode(siete1, OUTPUT);
  pinMode(siete2, OUTPUT);
  pinMode(15, INPUT);


  digitalWrite(pinA,HIGH);
  digitalWrite(pinB,HIGH);
  digitalWrite(pinC,HIGH);
  digitalWrite(pinD,HIGH);
  digitalWrite(pinE,HIGH);
  digitalWrite(pinF,HIGH);
  digitalWrite(pinG,HIGH);
}

void loop() {
  // put your main code here, to run repeatedly:
  /*
  anterior=actual;
  actual=digitalRead(15);
  if(actual>anterior){
    if(c==0){
    showDigit(digits[i]);
    i++;
    delay(700);
    if(i>9){
    i=0;
    }
  }
  c++;
  if(c==11){
    c=0;
    }
    
    Serial.print(c);
  }
  else{
    //anterior=actual;
  }
  */
 
 for(int i=0; i<=9;i++)
  {
    //.para sumar hasta 99
    if(i==9){
    n++;
    }
    if(n==9){
      n=0;
    }
    Serial.print(n);
    Serial.println(i);
    tim=5;
    while(tim>0){
    showDigit(digits[i]);
    digitalWrite(siete1, HIGH);
    digitalWrite(siete2, LOW);
    
    delay(180);
    showDigit(digits[n]);
    digitalWrite(siete1, LOW);
    digitalWrite(siete2, HIGH);
    
    delay(180);
    tim=tim-1;
    }
  }
  
}

void showDigit(byte digit){
  digitalWrite(pinA, bitRead(digit, 6));
  digitalWrite(pinB, bitRead(digit, 5));
  digitalWrite(pinC, bitRead(digit, 4));
  digitalWrite(pinD, bitRead(digit, 3));
  digitalWrite(pinE, bitRead(digit, 2));
  digitalWrite(pinF, bitRead(digit, 1));
  digitalWrite(pinG, bitRead(digit, 0));
}