#include<Servo.h>
Servo servo;

int x_axis = 512;
int servo_val;
const int dead_range = 30;

void setup()
{
  pinMode(A0,INPUT);
  servo.attach(10);
}

void loop()
{
  //x_axis=analogRead(A0);
  //We want the servo to move only by + or - 70degrees
  if(analogRead(A0) < 512 - dead_range && analogRead(A0) >= 300 && x_axis > 114){
    x_axis-=5;
  } else if(analogRead(A0) < 300 && analogRead(A0) >= 200 && x_axis > 114){
    x_axis-=10;
  } else if(analogRead(A0) < 200 && analogRead(A0) >= 100 && x_axis > 114){
    x_axis-=20;
  } else if(analogRead(A0) < 100 && x_axis >114){
    x_axis-=30;
  } else if(analogRead(A0) > 512 + dead_range && analogRead(A0) <= 700 && x_axis < 910){
    x_axis+=5;
  } else if(analogRead(A0) > 700 && analogRead(A0) <= 800 && x_axis < 910){
    x_axis+=10;
  } else if(analogRead(A0) > 800 && analogRead(A0) <= 900 && x_axis < 910){
    x_axis+=20;
  } else if(analogRead(A0) > 900 && x_axis < 910){
    x_axis+=30;
  }
  delay(40);
  servo_val=map(x_axis,0,1023,0,180);
  servo.write(servo_val);
}