#include <LiquidCrystal.h>
#define pot A1

LiquidCrystal lcd(8, 13, 9, 4, 5, 6, 7);

byte Modo1[8] = {
  31,31,31,0,0,0,0,0};
byte Modo2[8] = {
  0,0,0,0,0,31,31,31};
byte Modo3[8] = {
  31,31,31,0,0,0,31,31};
byte Modo4[8] = {
  28,30,31,31,31,31,30,28};
byte Modo5[8] = {
  7,15,31,31,31,31,15,7};
byte Modo6[8] = {
  31,31,31,31,31,31,31,31};
byte Modo7[8] = {
  0,0,0,0,0,0,0,0};


void setup() {
  pinMode(pot, INPUT);
  lcd.createChar(1, Modo1);
  lcd.createChar(2, Modo2);
  lcd.createChar(3, Modo3);
  lcd.createChar(4, Modo4);
  lcd.createChar(5, Modo5);
  lcd.createChar(6, Modo6);
  lcd.createChar(7, Modo7);
  lcd.begin(16, 2);
  Serial.begin(9600);
}

void loop() {
  int Numeros [10][6] =
  {
    {
      6,1,6,6,2,6    }
    ,
    {
      1,6,7,2,6,2    }
    ,
    {
      1,3,4,5,2,2    }
    ,
    {
      1,3,4,2,2,4    }
    ,
    {
      6,2,6,7,7,6    }
    ,
    {
      6,3,1,2,2,4    }
    ,
    {
      6,3,1,6,2,4    }
    ,
    {
      1,1,4,7,6,7    }
    ,
    {
      5,3,4,5,2,4    }
    ,
    {
      5,3,6,7,7,6    }
    ,
  };

  int valor = analogRead(pot);
  int t = map(valor,0,1023,0,999);

  int u=t%10;
  int u1=((t-u)%100)/10;
  int u2=(t-(u1*10)-u)/100;
  int Valor [3] = {
    u2,u1,u  };

  for (int p=0;p<=2;p++){
    for (int j=0;j<=1;j++){
      for (int k=0;k<=2;k++){
        lcd.setCursor(k+(p*4),j);
        if (j==0) {
          lcd.write(Numeros [Valor[p]][k]);
          lcd.setCursor(13,j);
          lcd.println("RPM");
        }
        else if (j==1){
          lcd.write(Numeros [Valor[p]][k+3]);
        }
      }
    }
    //delay(1000);
    //lcd. clear();
    //delay(500);
  }


}