=====Bluetooth Transceiver Module=====

A Pair of Bluetooth Transceiver Modules

{{https://www.pibot.com/image/catalog/pendant/BTBTBT.png}}

=====How to use=====

Step 1: Connect via USB-to-serial module

Step 2: Open serial terminal software

Step 3: Select the correct COM port and connect

{{https://www.pibot.com/image/catalog/pendant/uART1.png}}

Pair 

1. Take out one module, query and record its MAC address.

  * **Use command:** `AT+MAC?`  

  * **Example response:** `+MAC:EC230915AA4D`  

  * This device is temporarily set as a **Slave** (it remains as Slave by default if not changed).

{{https://www.pibot.com/image/catalog/pendant/656.png}}

Downlaod: https://www.pibot.com/dls/pendantv4/ToolsUart.zip


2. Take out the other module.

  * **Use command:** `AT+ROLE=1` to set it as **Master**.  

  * **Use command to bind to the Slave's MAC address:** `AT+BONDMAC=EC230915AA4D`  



3. Install the Slave module on the pendant and the Master module on the mainboard. Setup complete.


<wrap em>After successful pairing and power-on, the blue indicator light will transition from slow blinking to rapid blinking .</wrap>


=====To factory reset the module AND AT CMDS=====

just send the AT command:

AT+FACTORY\r\n

(\r\n is carriage return + line feed, hex 0x0D 0x0A.) The module will reply OK\r\n and all settings go back to default. 


{{ :pibot_cnc_laser_series:bluetooth_transceiver:ecb02_at_commands_clean.pdf |}}