#include <LiquidCrystal_I2C.h>
#include <Servo.h>
LiquidCrystal_I2C lcd(0x27,16,2);
int trigPin=7; //pin trigger
int echoPin=10; //pin echo
long waktu; //menghitung waktu
int jarak; // menghitung jarak
Servo myservo;

void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
myservo.attach(3);
myservo.write(90);
lcd.init();
lcd.backlight();
lcd.setCursor(0,0);
lcd.print("LAILA");
lcd.setCursor(0,1);
lcd.print("PUTERI");
delay(1000);
}


void loop() {
  // put your main code here, to run repeatedly:
lcd.clear();
digitalWrite(trigPin, LOW); // Mematikan trigger
delayMicroseconds(2)
;digitalWrite(trigPin, HIGH); // Menyalakan trigger
delayMicroseconds(10)
;digitalWrite(trigPin, LOW); // Mematikan trigger
waktu = pulseIn(echoPin,HIGH); // Membaca waktu yang bitwrite echopion
jarak = waktu *0.034/2; //menghitung jarak
lcd.setCursor(0,0);
lcd.print("JARAK OBYEK");
lcd.setCursor(0,1);
lcd.print(jarak< 100);
lcd.setCursor(4,1);
lcd.print("cm");
if(jarak < 20){
myservo.write(45);
}
else if( jarak >= 20 &&jarak <100){
myservo.write(90);
}
else if(jarak >= 100 &&jarak <200){
myservo.write(110);
}
else{
myservo.write(180);
}
delay(1000);
}