#include <Servo.h>

Servo myservo;  // create servo object to control a servo
                // twelve servo objects can be created on most boards

int pos = 10;    // variable to store the servo position
int pushButton = 2;
int ledPin = 13;
int clicks = 0;

void setup()
{
  Serial.begin(9600);
  myservo.attach(10);  // attaches the servo on pin 9 to the servo object
  pinMode(pushButton, INPUT_PULLUP);
  digitalWrite(ledPin, LOW);
}

void loop() {
  int buttonState = digitalRead(pushButton);
  if (buttonState == 0 && pos <= 180) {
    clicks = clicks + 1;
    Serial.print("Clicks: ");
    Serial.println(clicks);
    pos = map(clicks, 0, 11, 0, 180);
    myservo.write(pos);              // tell servo to go to position in variable 'pos'
    delay(100);
  }
  else if (buttonState == 0) {
    digitalWrite(ledPin, HIGH); // LED goes on when the button has been pressed too many times
  }
}