case 17:return V[vn]*0.2441/1000.0; break; //Vsens DS2438
case 18:return V[vn]/8.0;break;
case 19:return V[vn]/500.0*14.0;break; //Test
case 17:return V[vn]*0.2441/1000.0; break; //Vsens DS2438
case 18:return V[vn]/8.0;break;
case 19:return V[vn]/500.0*14.0;break; //Test