A Pair of Bluetooth Transceiver Modules

What is it

Bluetooth Modules x 2

What is it

A Pair of Bluetooth Transceiver Modules

How to use

Connect：

Step 1: Connect via USB-to-serial module

Step 2: Open serial terminal software

Step 3: Select the correct COM port and connect

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).*  

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.**  

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