#define Led_A 23
#define Led_B 25
#define Led_C 26
#define Led_D 19
#define Led_E 18
#define Led_F 5
#define Led_G 17
#define BOT1 16
#define BOT2 4
#define Unidade 15
#define Dezena 2
int contador = 0;
#include <Wire.h>
bool BS1 = 0, BS2 = 0, S1 = 0, S2 = 0;

uint8_t Numeros[10][7]={
                        {1,1,1,1,1,1,0},
                        {0,1,1,0,0,0,0},
                        {1,1,0,1,1,0,1},
                        {1,1,1,1,0,0,1},
                        {0,1,1,0,0,1,1},
                        {1,0,1,1,0,1,1},
                        {0,0,1,1,1,1,1},
                        {1,1,1,0,0,0,0},
                        {1,1,1,1,1,1,1},
                        {1,1,1,0,0,1,1},
                        };

void coloca_display(int valor)
{
  digitalWrite(Led_A,Numeros[valor][0] );
  digitalWrite(Led_B,Numeros[valor][1] );
  digitalWrite(Led_C,Numeros[valor][2] );
  digitalWrite(Led_D,Numeros[valor][3] );
  digitalWrite(Led_E,Numeros[valor][4] );
  digitalWrite(Led_F,Numeros[valor][5] );
  digitalWrite(Led_G,Numeros[valor][6] );
}

void setup() 
{
  pinMode(Led_A, OUTPUT);
  pinMode(Led_B, OUTPUT);
  pinMode(Led_C, OUTPUT);
  pinMode(Led_D, OUTPUT);
  pinMode(Led_E, OUTPUT);
  pinMode(Led_F, OUTPUT);
  pinMode(Led_G, OUTPUT);
  pinMode(BOT1, INPUT);
  pinMode(BOT2, INPUT);
  pinMode(Unidade, OUTPUT);
  pinMode(Dezena, OUTPUT);
  Serial.begin(115200);
 }

void loop() 
{
  digitalWrite(Dezena,0);
  coloca_display(contador/10);
  digitalWrite(Unidade,1);
  delay(10);

  digitalWrite(Unidade,0);
  coloca_display(contador%10);
  digitalWrite(Dezena,1);  
 
  delay(10);
  BS1 = digitalRead(BOT1);
  BS2 = digitalRead(BOT2);

  if(BS1 == 1 && S1 == 0)
  {
    contador++;
    S1 = 1;
    
  }
  if(BS2 == 1 && S2 == 0)
  {
    contador--;
    S2 = 1;
  
  }
  if(BS1 == 0 && S1 == 1){
    S1 = 0;
  }
  if(BS2 == 0 && S2 == 1){
    S2 = 0;
  }
  
  if(contador>99)contador = 0;
  if(contador<0)contador = 99;
   
    
}