ARDUİNO MESAFE SENSÖRÜ VE EkRAN KULLANARAK BOY ÖLÇER YAPIMI

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,20,4); // set the LCD address to 0x27 for a 16 *2
#define echoPin 7
#define trigPin 6
double zaman;
double mesafe;

void setup(){
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
Serial.begin(9600);
pinMode(2, INPUT);
pinMode(4, OUTPUT);
lcd.init();
lcd.backlight();

}
void loop() {

digitalWrite(trigPin,LOW);
delayMicroseconds(2);
digitalWrite(trigPin,HIGH);
delayMicroseconds(10);
digitalWrite(trigPin,LOW);
zaman=pulseIn(echoPin,HIGH);
mesafe=zaman / 58.2;

// lcd.clear ();
lcd.setCursor(0,0); lcd.print("TUBITAK BILIMSENLIGI");
lcd.setCursor(0,1); lcd.print(" Fatih MTAL.");
lcd.setCursor(0,2); lcd.print(" Uzaklik: ");
lcd.setCursor(13,2); lcd.print(mesafe);
lcd.setCursor(0,3); lcd.print("Cismin Boyu: ");
lcd.setCursor(13,3); lcd.print(200-mesafe);
delay(500);

}