/*
 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
Servo myservo2; // 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 val2;

void setup() {
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
  myservo2.attach(10); // attaches the servo on pin 9 to the servo object


}

void loop() {
  val = analogRead(potpin);     
         // reads the value of the potentiometer (value between 0 and 1023)
  val = map(val, 180, 0, 0,180);     // scale it to use it with the servo (value between 0 and 180)
  myservo.write(val);    
  val2  = analogRead(potpin); // reads the value of the potentiometer (value between 0 and 1023)


  myservo2.write(val); // sets the servo position according to the scaled value
           
                // sets the servo position according to the scaled value
  delay(15);                           // waits for the servo to get there
}