#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
int LDR_Pin = A0;
int led_Pin = 8;
int referans=600;
int periyot=3000;
void setup(){
pinMode(led_Pin,OUTPUT);
Serial.begin(9600);
lcd.begin(16, 2);
lcd.setCursor(0, 1);
lcd.print("sertandeniz.com");
}
void loop(){
for (int i=0;i<16;i++){
int deger1a,deger1b,deger2a,deger2b,deger3a,deger3b,deger4a,deger4b,deger5a,deger5b;
do{
int deger1a;
do{
deger1a = analogRead(LDR_Pin);
Serial.println(deger1a);
}while(deger1a < referans);
Serial.println("Basladi");
Serial.println(deger1a);
digitalWrite(led_Pin,HIGH);
delay(periyot);
deger1b = analogRead(LDR_Pin);
Serial.println("1B Okundu");
Serial.println(deger1b);
digitalWrite(led_Pin,LOW);
Serial.println(deger1b);
delay(periyot);
deger2a = analogRead(LDR_Pin);
Serial.println("2A Okundu");
Serial.println(deger2a);
if (deger2a < referans){
  deger2a=0;
  Serial.println("2A Okundu");
  Serial.println(deger2a);
  break;
}
digitalWrite(led_Pin,HIGH);
delay(periyot);
deger2b = analogRead(LDR_Pin);
Serial.println("2B Okundu");
Serial.println(deger2b);
digitalWrite(led_Pin,LOW);
delay(periyot);
deger3a = analogRead(LDR_Pin);
Serial.println("3A Okundu");
Serial.println(deger3a);
if (deger3a < referans){
  deger3a=0;
  Serial.println("3A Okundu");
  Serial.println(deger3a);
  break;
}
digitalWrite(led_Pin,HIGH);
delay(periyot);
deger3b = analogRead(LDR_Pin);
Serial.println("3B Okundu");
Serial.println(deger3b);
digitalWrite(led_Pin,LOW);
delay(periyot);
deger4a = analogRead(LDR_Pin);
Serial.println("4A Okundu");
Serial.println(deger4a);
if (deger4a < referans){
  deger4a=0;
  Serial.println("4A Okundu");
  Serial.println(deger4a);
  break;
}
digitalWrite(led_Pin,HIGH);
delay(periyot);
deger4b = analogRead(LDR_Pin);
Serial.println("4B Okundu");
Serial.println(deger4b);
digitalWrite(led_Pin,LOW);
delay(periyot);
deger5a = analogRead(LDR_Pin);
if (deger5a < referans){
  deger5a=0;
  Serial.println("5A Okundu");
  Serial.println(deger5a);
  break;
}
digitalWrite(led_Pin,HIGH);
delay(periyot);
deger5b = analogRead(LDR_Pin);
Serial.println("5B Okundu");
Serial.println(deger5b);
digitalWrite(led_Pin,LOW);
delay(periyot);
}while(deger5b == 0);

char karakter='x';
if (deger1b>referans && deger2a==0)
karakter = 'T';
if (deger1b<referans && deger2a==0)
karakter = 'E';
if (deger1b>referans && deger2b>referans && deger3a==0 && deger2a!=0)
karakter = 'M';
if (deger1b>referans && deger2b<referans && deger3a==0 && deger2a!=0)
karakter = 'N';
if (deger1b<referans && deger2b>referans && deger3a==0 && deger2a!=0)
karakter = 'A';
if (deger1b<referans && deger2b<referans && deger3a==0 && deger2a!=0)
karakter = 'I';
if (deger1b>referans && deger2b>referans && deger3b>referans && deger4a==0 && deger2a!=0 && deger3a!=0)
karakter = 'O';
if (deger1b>referans && deger2b>referans && deger3b<referans && deger4a==0 && deger2a!=0 && deger3a!=0)
karakter = 'G';
if (deger1b>referans && deger2b<referans && deger3b>referans && deger4a==0 && deger2a!=0 && deger3a!=0)
karakter = 'K';
if (deger1b>referans && deger2b<referans && deger3b<referans && deger4a==0 && deger2a!=0 && deger3a!=0)
karakter = 'D';
if (deger1b<referans && deger2b>referans && deger3b>referans && deger4a==0 && deger2a!=0 && deger3a!=0)
karakter = 'W';
if (deger1b<referans && deger2b>referans && deger3b<referans && deger4a==0 && deger2a!=0 && deger3a!=0)
karakter = 'R';
if (deger1b<referans && deger2b<referans && deger3b>referans && deger4a==0 && deger2a!=0 && deger3a!=0)
karakter = 'U';
if (deger1b<referans && deger2b<referans && deger3b<referans && deger4a==0 && deger2a!=0 && deger3a!=0)
karakter = 'S';
if (deger1b>referans && deger2b>referans && deger3b<referans && deger4b>referans && deger5a==0 && deger2a!=0 && deger3a!=0 && deger4a!=0)
karakter = 'Q';
if (deger1b>referans && deger2b>referans && deger3b<referans && deger4b<referans && deger5a==0 && deger2a!=0 && deger3a!=0 && deger4a!=0)
karakter = 'Z';
if (deger1b>referans && deger2b<referans && deger3b>referans && deger4b>referans && deger5a==0 && deger2a!=0 && deger3a!=0 && deger4a!=0)
karakter = 'Y';
if (deger1b>referans && deger2b<referans && deger3b>referans && deger4b<referans && deger5a==0 && deger2a!=0 && deger3a!=0 && deger4a!=0)
karakter = 'C';
if (deger1b>referans && deger2b<referans && deger3b<referans && deger4b>referans && deger5a==0 && deger2a!=0 && deger3a!=0 && deger4a!=0)
karakter = 'X';
if (deger1b>referans && deger2b<referans && deger3b<referans && deger4b<referans && deger5a==0 && deger2a!=0 && deger3a!=0 && deger4a!=0)
karakter = 'B';
if (deger1b<referans && deger2b>referans && deger3b>referans && deger4b>referans && deger5a==0 && deger2a!=0 && deger3a!=0 && deger4a!=0)
karakter = 'J';
if (deger1b<referans && deger2b>referans && deger3b>referans && deger4b<referans && deger5a==0 && deger2a!=0 && deger3a!=0 && deger4a!=0)
karakter = 'P';
if (deger1b<referans && deger2b>referans && deger3b<referans && deger4b<referans && deger5a==0 && deger2a!=0 && deger3a!=0 && deger4a!=0)
karakter = 'L';
if (deger1b<referans && deger2b<referans && deger3b>referans && deger4b<referans && deger5a==0 && deger2a!=0 && deger3a!=0 && deger4a!=0)
karakter = 'F';
if (deger1b<referans && deger2b<referans && deger3b<referans && deger4b>referans && deger5a==0 && deger2a!=0 && deger3a!=0 && deger4a!=0)
karakter = 'V';
if (deger1b<referans && deger2b<referans && deger3b<referans && deger4b<referans && deger5a==0 && deger2a!=0 && deger3a!=0 && deger4a!=0)
karakter = 'H';
if (deger1b>referans && deger2b>referans && deger3b>referans && deger4b>referans && deger5b>referans && deger2a!=0 && deger3a!=0 && deger4a!=0 && deger5a!=0)
karakter = '0';
if (deger1b>referans && deger2b>referans && deger3b>referans && deger4b>referans && deger5b<referans && deger2a!=0 && deger3a!=0 && deger4a!=0 && deger5a!=0)
karakter = '9';
if (deger1b>referans && deger2b>referans && deger3b>referans && deger4b<referans && deger5b<referans && deger2a!=0 && deger3a!=0 && deger4a!=0 && deger5a!=0)
karakter = '8';
if (deger1b>referans && deger2b>referans && deger3b<referans && deger4b<referans && deger5b<referans && deger2a!=0 && deger3a!=0 && deger4a!=0 && deger5a!=0)
karakter = '7';
if (deger1b>referans && deger2b<referans && deger3b<referans && deger4b<referans && deger5b<referans && deger2a!=0 && deger3a!=0 && deger4a!=0 && deger5a!=0)
karakter = '6';
if (deger1b<referans && deger2b>referans && deger3b>referans && deger4b>referans && deger5b>referans && deger2a!=0 && deger3a!=0 && deger4a!=0 && deger5a!=0)
karakter = '1';
if (deger1b<referans && deger2b<referans && deger3b>referans && deger4b>referans && deger5b>referans && deger2a!=0 && deger3a!=0 && deger4a!=0 && deger5a!=0)
karakter = '2';
if (deger1b<referans && deger2b<referans && deger3b<referans && deger4b>referans && deger5b>referans && deger2a!=0 && deger3a!=0 && deger4a!=0 && deger5a!=0)
karakter = '3';
if (deger1b<referans && deger2b<referans && deger3b<referans && deger4b<referans && deger5b>referans && deger2a!=0 && deger3a!=0 && deger4a!=0 && deger5a!=0)
karakter = '4';
if (deger1b<referans && deger2b<referans && deger3b<referans && deger4b<referans && deger5b<referans && deger2a!=0 && deger3a!=0 && deger4a!=0 && deger5a!=0)
karakter = '5';

lcd.setCursor(i, 0);
lcd.print(karakter);
}
delay(5000);
}