// Controlling a servo position using a potentiometer (variable resistor) 
// based on code by Michal Rinott <http://people.interaction-ivrea.it/m.rinott> 
// Modified by BJ Furman for ME 30 and the Spartronics Experimenter
// ver. 1.1 29OCT2011

#include <Servo.h> 

#define POT_PIN 1      // Arduino pin that the potentiometer connects to the Experimenter 
 
Servo myservo;  // Create servo object to control a servo 
 
int potVoltage;      // Variable to store the voltage value from the potentiometer 
int scaled_val = 0;  // Variable to hold the scaled voltage value
 
void setup() 
{ 
  myservo.attach(10);  // Attaches the servo on pin 10 to the servo object 
} 
 
void loop() 
{ 
  potVoltage = analogRead(POT_PIN);  // Reads the voltage of the potentiometer (returns a value between 0 and 1023) 
  scaled_val = map(potVoltage, 0, 1023, 0, 179);   // Scale the value to use with the servo (value between 0 and 180) 
  myservo.write(scaled_val);       // Sets the servo position according to the scaled value 
  delay(15);                       // Waits for the servo to get there 
}