#include <Servo.h>

Servo myservo; 
int angle = 0;

void setup()
{
 myservo.attach(2); // initialise the pin number
}
void loop()
{
  myservo.write(angle); // set position
  delay(50);
  angle++;
  Serial.println(myservo.read()); //read position
  if(angle>179) //set a loop 
    angle = 0;
}