#include <Servo.h>
int serY=0;
int serX=0;

Servo servoY;
Servo servoX;

int ldr_MU = A0;
int ldr_MD = A1;
int ldr_L = A2;
int ldr_R = A3;

void setup() 
{
  servoY.attach(2);
  servoX.attach(3); 

  pinMode(ldr_MU,INPUT);   
  pinMode(ldr_MD,INPUT);   
  pinMode(ldr_L,INPUT);   
  pinMode(ldr_R,INPUT); 

    pinMode(5, INPUT_PULLUP);
  pinMode(6, INPUT_PULLUP);  
}

void loop() 
{
int MU_Status = analogRead(ldr_MU);
  int MD_Status = analogRead(ldr_MD);
  int L_Status = analogRead(ldr_L);
  int R_Status = analogRead(ldr_R);
  
  if (MU_Status - MD_Status > 10)
  {
      serY++;
     delay(100);
  }
  else if (MU_Status - MD_Status < -10)
  {
     serY--;
     delay(100);
  }
    servoY.write(serY);
//
  if (R_Status - L_Status > 100)
  {
      serX++;
     delay(100);
  }
  else if (R_Status - L_Status < -100)
  {
     serX--;
     delay(100);
  }
    servoX.write(serX);
}