int CoolingDuct::set_fridge_temp(int new_temp)
{
    while( (new_temp>current_temp)||(new_temp<current_temp))
    {
        diff_temp=current_temp-new_temp;
           // compressor.fridge_valve(open_close_valve +(diff_temp));
        //TODOdegree_of_valve_opening_fridge=compressor.valve_change(diff_temp);
        degree_of_valve_opening_fridge=compressor.fridge_valve(diff_temp);

        for (int i=0;i<FIXED_TIME_DELAY;i++){;}//when temp equalizes back
            temp_after_valve_change=get_temp();

    }
}