#include<Servo.h>
Servo Servo;
int a=A0;
int led1G=11; // Led1G is the Green led that represents open or unlocked.
int led2R=12; // Led2R is the Red led that represents closed or locked.
int potpin = 0;  // analog pin used to connect the potentiometer.
int val;    // variable to read the value from the analog pin.

void setup() {
  // put your setup code here, to run once:
  pinMode(a, INPUT);
pinMode(led1G, OUTPUT);
pinMode(led2R, OUTPUT);
  Serial.begin(9600);
  Servo.attach(9);
}

void loop() {
int value= analogRead(a);
int v=map(value, 0,1023, 0,255);
Serial.println(v);
if (v<=107)
{
digitalWrite(led2R, HIGH);
digitalWrite(led1G, LOW); // From 0-107 the door is locked and red led is on.
}
else if(v<=255 and v>107)
{
digitalWrite(led1G, HIGH);
digitalWrite(led2R, LOW); // From 107-255 the door is unlocked and greed led is on.
}
else
{

}
 {val = analogRead(potpin);            // reads the value of the potentiometer (value between 0 and 1023)
  val = map(val, 0, 1023, 0, 255);     // scale it to use it with the servo (value between 0 and 1255)
  Servo.write(val);                  // sets the servo position according to the scaled value
  delay(50);                          
 }



}