... socket, use PC or notebook or Mobile to control serial device.wifi to rs232/RS485 converter 1,high quality 2,fast delivery 3,in ... . DC5.5*2.1 Power input interface10. Pin9 in DB9 can link to Power by short the PCB jumper at the PCB ... C++, Delphi, Android.Packet list:WIFI to RS232 / RS485 Converter * 15V/1A AC to DC power adaptorFemale to Female across cable (2-3,7-8 ...