NBL1057-dat

Default Setup

  • Default setup for BC-04B

And customize Setup

Jumper BC-04B EC-04B HC-05 HC-06
JP1 BC BC HC HC
JP2 - - state or status * state or status *
JP3 BC BC HC HC
JP4 hardware Master or slave hardware Master or slave - -
JP5 hardware or software mode hardware or software mode - -
  • state or status: pair state or AT commands status

Base Board Pin Definitions

from left to right from front side

  • GND
  • +5V
  • 3V3
  • TXD
  • RXD
  • Clear - clear the pairing status

Backside Jumper Setup Mode:

Bottom jumper set hardware / software method for slave / master mode, Default setup for hardware method.

Jumper Function Mode Default
SJ2 master / slave hardware control M/S mode  
SJ1 soft / hard Mode control mode select Hard
  • Top jumper set for slave / master mode.
  • If you prefer to use software method by AT commands to change slave / mater mode, cut the bottom jumper connection (GND - middle pin), then re-connect to top by solder (VCC-middle pin).

SCH

Version New 2

  • add extra two functions pad pins

Version Old 1

  • R2 version add software and hardware master/slave mode select,
  • default is software on.
  • To use hardware select, need cut off connection on software ON with middle pin first.

base version

Wiring

  • Board RXD -> target RXD, board TXD -> target TXD

Mode

  • Be aware default setting of the product is slave mode, communication only available between master and slave mode, but not master and master, or slave and slave mode.

ref

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