#include <Servo.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C mrlcd (0x27,16,2);
Servo myServo;
int degree;
void setup() {

  myServo.attach(12);
  Serial.begin(9600);
  myServo.write(30);
  mrlcd.init();
    mrlcd.clear();
    mrlcd.backlight();
    mrlcd.setCursor(0,0);
    mrlcd.write("degree");

}

void loop() {
 for(degree=0;degree<=180;degree=degree+10 ){
    myServo.write(degree);
    mrlcd.clear();
mrlcd.setCursor(0,0);
mrlcd.print(degree);
myServo.write(degree);
delay(200);
 }
 for(degree=180;degree>=0;degree=degree-10){
  myServo.write(degree);

 mrlcd.clear();
mrlcd.setCursor(0,0);
mrlcd.print(degree);
myServo.write(degree);
 delay(200);
}
}