/*
 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>
#include <Relay.h>

Servo myservo;  // create servo object to control a servo
Relay light(8, false);

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
  light.begin();
}

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

  if (val > 90) { 
	  light.turnOn();  //turns relay on
  }
    //if sensorValue is above 200, turn off the LED
  else{ 
    light.turnOff(); //turns relay off
  }

	bool isLightOn = light.getState(); //returns a bool, true = on, false = off

  delay(15);                           // waits for the servo to get there

}