GPS time based synchronizer (BF400)

Team: 2 people;

Start: October 2010;

End: March 2011;

Technologies: IsixRTOS, STM32;

Languages: C++;

C++ firmware development and C++ windows application for communication with the synchronizer.

BF400 is a GPS time based synchronizer used for synchronize electric energy meters, and computer based equipments.


  • selectable time zone.
  • automatic daylight save.
  • 3 isolated outputs 50mA/50V.
  • 2 relay outputs 230V/8A.
  • RS232 output for synchronize with PC
  • 1PPS output.