/*
 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 derajat = 0;
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);
  Serial.begin(115200);
  pinMode(A0, INPUT);  // attaches the servo on pin 9 to the servo object
}

void loop() {
  int value = analogRead(A0);
  Serial.println(value);
  delay(1000);

  for (derajat = 0; derajat <= 180; derajat += 1) {
    myservo.write(derajat);                  // sets the servo position according to the scaled value
    delay(10);   
  }

  for (derajat = 180; derajat <= 0; derajat -= 1) {
    myservo.write(derajat);                  // sets the servo position according to the scaled value
    delay(10);   
  }           // reads the value of the potentiometer (value between 0 and 1023)    // scale it to use it with the servo (value between 0 and 180)                      // waits for the servo to get there
}