/*
 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>
int button = 3;
int m1 = 6;
int m2 = 5;
int h1 = 7;
int k1 = 4;

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

void setup() {
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
  pinMode(button, INPUT_PULLUP);
  pinMode(m1, OUTPUT);
  pinMode(m2, OUTPUT);
  pinMode(h1, OUTPUT);
  pinMode(k1, OUTPUT);
}

void loop() {
 if (digitalRead(button)==LOW)
 {  digitalWrite(m1,HIGH);
   int pencacah;
   do
   { digitalWrite(h1, HIGH);
     delay(2000);
     digitalWrite(h1, LOW);
     for (int y=1; y<=3 ;y++)
     { digitalWrite(k1,HIGH);
       myservo.write(180);                  // sets the servo position according to the scaled value
       delay(2000);  
       digitalWrite(k1,LOW);
       myservo.write(90); 
       delay(1000);                        // waits for the servo to get there
     }
    digitalWrite(m2,HIGH);
    delay(2000);
    digitalWrite(m2,LOW);
       delay(1000);
    pencacah++;
   } while (pencacah<=3);
     digitalWrite(m1,LOW);
     delay(1000);
 }
                        // waits for the servo to get there
}