/*
 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 MYservos[2];
const byte servoPins[] = {9,6};

int potpin = 0;  // analog pin used to connect the potentiometer
int potpin2 = 1;  // analog pin used to connect the potentiometer
int val;    // variable to read the value from the analog pin
int val2;


void setup() {
  for(int n = 0; n < 2; n++) {
    MYservos[n].attach(servoPins[n]);
  }
}

void loop() {
  val = analogRead(potpin);            // reads the value of the potentiometer (value between 0 and 1023)
  val2 = analogRead(potpin2);
  val = map(val, 0, 1023, 0, 180);     // scale it to use it with the servo (value between 0 and 180)
  val2 = map(val2, 0, 1023, 0, 180);     // scale it to use it with the servo (value between 0 and 180)
  MYservos[0].write(val);                  // sets the servo position according to the scaled value
  MYservos[1].write(val2); 
  delay(15);                           // waits for the servo to get there
}