Ja, aber genau das war ja meine frage, wie man das macht^^

Code:
#define GETTEMP 0xAA              
#define I2CTHERMO1 0x90 
#define I2CTHERMO2 0x92             
#define STARTCONVERT 0xEE
Code:
      i2c_start_wait(I2CTHERMO1+I2C_WRITE); 
      i2c_write(GETTEMP);           
      i2c_rep_start(I2CTHERMO1+I2C_READ); 
      TemperturVK1 = i2c_readAck(); 
      TemperturNK1 = i2c_readNak(); 
      i2c_stop(); 

      i2c_start_wait(I2CTHERMO2+I2C_WRITE); 
      i2c_write(GETTEMP);           
      i2c_rep_start(I2CTHERMO2+I2C_READ); 
      TemperturVK2 = i2c_readAck(); 
      TemperturNK2 = i2c_readNak(); 
      i2c_stop();
etwa so?