Das sollte kompilieren:
Code:
#ifndef KATZE_H_
#define KATZE_H_


#include <Arduino.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Motor.h>
#include <SonarSRF08.h>


#define CompI2CADDR 0x30
#define CompTakeMeasure 0x01
#define CompSet 0x02
#define CompReset 0x04




class katze {
public:
   katze(int ml1, int ml2, int mr1, int mr2, int md1, int md2);
   void us_tm();
   int us1_r();
   int us2_r();
   double comp_r();
   void comp_tm();
   void comp_reset();
   void comp_calib();
   void ml_speed(int v, int d);
   void mr_speed(int v, int d);
   void md_speed(int v, int d);
   
private:
   int mlp1, mlp2, mrp1, mrp2, mdp1, mdp2;  
   int x_min, x_max, y_min, y_max;
   int i;
   byte MsbX,LsbX,MsbY,LsbY;
   int x,y;
   
 };
 
 
 #endif /*KATZE_H_*/
mfg