#include "Servo.h"
Servo myServo;
void setup() {
Serial.begin(9600);
myServo.attach(3);
}

void loop() {
for (int i = 0; i <= 100; i++){
  myServo.write(i);
Serial.print("Servo current angle: ");
Serial.println(i);
delay(20);
}
for (int i =100; i >= 0; i--){
  myServo.write(i);
  delay(20);
}
}