#include <LiquidCrystal_I2C.h>

#include <Wire.h>

#define trigPin 7
#define echoPin 6
LiquidCrystal_I2C lcd(0x27 ,16,2);

int jarak = 200;
int tinggi;
void setup() {
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  Serial.begin(9600);
  lcd.init();                      
  // initialize the lcd 
  // Print a message to the LCD.
  lcd.backlight();
  lcd.setCursor(2,0);
    lcd.print("ALAT PENGUKUR");
    delay (1000);
    lcd.setCursor(2,1);
    lcd.print("TINGGI BADAN");
    delay(1000);
    lcd.clear();
      lcd.setCursor(0,0);
    lcd.print("TINGGIMU");
    
        lcd.setCursor(0,1);
    lcd.print("SEMANGAT YAA!!");
   
   
}
void loop() {
  long duration, gape;
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  duration = pulseIn(echoPin, HIGH);
  gape = (duration/2) / 29.1;
  tinggi = jarak - gape;
    lcd.setCursor(9,0);
    lcd.print(tinggi);
    lcd.print(" ");
    lcd.print("CM");
    lcd.print("  ");
}