#include <Servo.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

Servo servo;

void setup() {
  
  // put your setup code here, to run once:
  servo.attach(5);
  servo.write(0);   
  Serial.begin(9600);
  lcd.backlight();
  lcd.begin(16, 2);
}

void loop() {
   

  for (float i=0;i<=180;i=i+1){
    servo.write(i);
    lcd.setCursor(0,0);
    delay(20);
    Serial.println(i);
    lcd.print(i);


  }
  for (float j=180;j>=0;j=j-1){
    servo.write(j);
    lcd.setCursor(0,0);
    delay(20);
    Serial.println(j);  
    lcd.print(j);


  }
}