NBL1057-0-dat
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.
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).
base version
