/*
This project is originally made by Uri Shaked
This is edited by terckjix
*/

#include <Servo.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

Servo myservo;  // create servo object to control a servo
LiquidCrystal_I2C lcd(0x27, 16, 2); // Set the LCD address to 0x27 for a 16 chars and 2 line display

int potpin = 0;  // analog pin used to connect the potentiometer
int potValue;    // variable to read the value from the analog pin
int servoAngle;  // variable to store the angle of the servo

void setup() {
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
  lcd.init();         // initialize the lcd 
  lcd.backlight();    // turn on the backlight
}

void loop() {
  potValue = analogRead(potpin);            // reads the value of the potentiometer (value between 0 and 1023)
  servoAngle = map(potValue, 0, 1023, 0, 180);     // scale it to use it with the servo (value between 0 and 180)
  myservo.write(servoAngle);                  // sets the servo position according to the scaled value
  
  // Display the servo angle on the LCD
  lcd.clear();
  lcd.setCursor(0, 0); // set the cursor to column 0, line 0
  lcd.print("Servo Angle:");
  lcd.setCursor(0, 1); // set the cursor to column 0, line 1
  lcd.print(servoAngle);
  
  delay(15);                           // waits for the servo to get there
}