typedef  byte Exp_state_T ;

 const  Exp_state_T Exp_state_UNSET        =  B00000000 ; 
 const  Exp_state_T Exp_state_OFF          =  B00000001 ; 
 const  Exp_state_T Exp_state_ON           =  B00000010 ;
 const  Exp_state_T Exp_state_ON_USE_LEVEL =  B00000100 ; // use Exp_state_level 0-255
 const  Exp_state_T Exp_state_BLINK        =  B00001000 ;
 const  Exp_state_T Exp_state_SET_REQ_SEND =  B00100000 ; //when was initialized and set output
 const  Exp_state_T Exp_state_SET          =  B01000000 ; //when was initialized and set output
 const  Exp_state_T Exp_state_ERROR        =  B10000000 ;
 
 //const  Exp_state_T Exp_state_TOGGLE     =  B10000000 ;


 //const    Exp_state_OFF  0x01
 //#define    Exp_state_ON  0x02