/*
 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 <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);

Servo myservo;  // create servo object to control a servo

float potpin = 0;  // analog pin used to connect the potentiometer
float vbat;    // variable to read the value from the analog pin
int val=0;
int tmg=0;

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

void loop() {
  delay(200);
  vbat = analogRead(potpin);
  vbat = map(vbat,0,1023,1500,3000);
  vbat = vbat/100;

  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("VBAT ");
  lcd.print(vbat);

  if(vbat<22 ){
  val=180;
  while(val>10){
    val=val-1;
    delay(10);
    myservo.write(val);

  }
  

}
}