#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Servo.h>

LiquidCrystal_I2C lcd(0x27, 16, 2); // LCD I2C address 0x27
Servo myServo;                      // Create servo object

int angle = 0;

void setup() {
  lcd.init();          // Initialize LCD
  lcd.backlight();     // Turn on backlight
  myServo.attach(9);   // Attach servo to pin 9
}

void loop() {
  for(angle = 0; angle <= 180; angle += 10) {
    myServo.write(angle);           // Move servo
    lcd.setCursor(0,0);             // First row
    lcd.print("Servo Angle:");
    lcd.setCursor(0,1);             // Second row
    lcd.print(angle);               // Display angle
    delay(500);
  }

  for(angle = 180; angle >= 0; angle -= 10) {
    myServo.write(angle);
    lcd.setCursor(0,0);
    lcd.print("Servo Angle:");
    lcd.setCursor(0,1);
    lcd.print(angle);
    delay(500);
  }
}