#include <LiquidCrystal.h>
  LiquidCrystal lcd(4,5,6,7,8,9);
const int numReadings = 3;
int readings[numReadings];      // the readings from the analog input
int readIndex = 0;              // the index of the current reading
int total = 0;                  // the running total
int average = 0;                // the average
byte egyotod[8] = {
  0b10000,
  0b10000,
  0b10000,
  0b10000,
  0b10000,
  0b10000,
  0b10000,
  0b10000
};
byte ketotod[8] = {
  0b11000,
  0b11000,
  0b11000,
  0b11000,
  0b11000,
  0b11000,
  0b11000,
  0b11000
};
byte haromotod[8] = {
  0b11100,
  0b11100,
  0b11100,
  0b11100,
  0b11100,
  0b11100,
  0b11100,
  0b11100
};
byte negyotod[8] = {
  0b11110,
  0b11110,
  0b11110,
  0b11110,
  0b11110,
  0b11110,
  0b11110,
  0b11110
};
byte egesz[8] = {
  0b11111,
  0b11111,
  0b11111,
  0b11111,
  0b11111,
  0b11111,
  0b11111,
  0b11111
};

void setup() {
    pinMode(A0, INPUT);
    pinMode(10,OUTPUT);
    lcd.begin(20, 4);
    lcd.createChar(0, egyotod);
    lcd.createChar(1, ketotod);
    lcd.createChar(2, haromotod);
    lcd.createChar(3, negyotod);
    lcd.createChar(4, egesz);
      for (int thisReading = 0; thisReading < numReadings; thisReading++) {
    readings[thisReading] = 0;
  }
}
void loop() {

total = total - readings[readIndex];
  // read from the sensor:
  readings[readIndex] = analogRead(A5);
  // add the reading to the total:
  total = total + readings[readIndex];
  // advance to the next position in the array:
  readIndex = readIndex + 1;
  // if we're at the end of the array...
  if (readIndex >= numReadings) {
    // ...wrap around to the beginning:
    readIndex = 0;
  }

  // calculate the average:
  average = total / numReadings;
  // send it to the computer as ASCII digits
  int eredetival = average;
  delay(1);        // delay in between reads for stability
  int val = map(eredetival, 0, 1023, 0, 40);
if(val%5==0)
{
  lcd.setCursor(1,1);
  if(val!=0)
  for(int i=0;i-1<val/5;i++)
  {
   lcd.write((uint8_t)4);
   lcd.setCursor(1+i,1);
  }
}
else
{
  int x = val-val%5; //megkapom a maradékot, ezt oszthatom le tovább
  lcd.setCursor(1,1);
  int kulsoi=0;
  for(int i=0;i-1<x/5;i++)
  {
   lcd.write((uint8_t)4);
   lcd.setCursor(1+i,1);
   kulsoi=i;
  }
  lcd.setCursor(1+kulsoi,1);
  lcd.write((val%5)-1);
  }
delay(35);
lcd.clear();
}