Brojac

#include <LiquidCrystal.h>
LiquidCrystal lcd(8,9,4,5,6,7);

byte taster;
int brojac;

void setup() {
  // put your setup code here, to run once:
  lcd.begin(16,2);
  pinMode(10,OUTPUT);
  byte jacina = 100;
  analogWrite(10,jacina);
}


byte ocitajTaster();

void loop() {
   //put your main code here, to run repeatedly:
  lcd.home();
  lcd.print(brojac);
  delay(100);

  if(ocitajTaster() == 3){  // taster UP
    delay(500);
    brojac++;
  }
  if(ocitajTaster() == 4){  // taster DOWN
    delay(500);
    brojac--;
  }
  if(ocitajTaster() == 1){  // taster SELECT
    brojac=0;
    lcd.clear();
  }
  else{

  }
}

byte ocitajTaster()
{
  int tmp = analogRead(0);

  if(tmp > 715 && tmp < 725)  // SELECT
    return 1;
  if(tmp > 475 && tmp < 485)  // LEFT
    return 2;
  if(tmp > 125 && tmp < 135)  //UP
    return 3;
  if(tmp > 300 && tmp < 310)  //DOWN
    return 4;
  if(tmp >= 0 && tmp < 10)  //RIGHT
    return 5;

  return 0;                   // nije nijedan taster pritisnut
}