NBL1022-dat

https://www.electrodragon.com/product/lc-05-bluetooth-serial-moduel-masterslave-in-one/

Features:

  • BQB certificated
  • Master / Slave Mode supported
  • classic bluetooth easy to use

SCH

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).

Note

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.

Demo Video

Compare

func BC04—B HC—05 HC—06
1. Software master-slave setting
2. Hardware master-slave settings X X
3. Ultra-low power consumption 2 ~ 10mA 30 ~ 40mA 30 ~ 40mA
4. Intelligent AT command system X X
5. Normal AT set
6. Support help command X X
7. Product Grade Military Grade Industrial Grade Civilian Grade
8. Support software development X X
9. Support uplink command X X

ref

simialr modules - BC04-B-dat - HC05-dat - HC06-dat - NBL1012-dat