/*
 Controlling a servo position using a potentiometer (variable resistor)
 by Michal Rinott <http://people.interaction-ivrea.it/m.rinott>

 modified on 8 Nov 2013
 by Scott Fitzgerald
 http://www.arduino.cc/en/Tutorial/Knob
*/

#include <Servo.h>

Servo myservo;  // create servo object to control a servo

int potpin = 0;  // analog pin used to connect the potentiometer
int val;    // variable to read the value from the analog pin
int button = 6;
bool buttonFlag = true;

void setup() {
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
  pinMode(button, INPUT_PULLUP);
}

void loop() {
  if (digitalRead(button) == LOW && buttonFlag == true){
    myservo.write(0);
    delay(1000);
    //buttonFlag = false;
  }else{
    myservo.write(90);
    delay(1000);
    myservo.write(100);
    delay(2000);
  }
}