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

short a;

void setup(){
  Wire.begin();
  Serial.begin(9600);

  Wire.beginTransmission(0x68);
  Wire.write(0x75);
  Wire.endTransmission(1);
}

void loop(){
  Wire.beginTransmission(0x68);
  Wire.write(0x75);
  Wire.requestFrom(0x68, 1, 1);
  a = Wire.read();
  Serial.println(a, HEX);
  Wire.endTransmission(1);

  delay(500);
}