Quick Start

What you need

Hardware Preparation

1 x FSC-DB200-BT936E Rapid Development Kit : FSC-DB200 Rapid Development Kit pre-integrated with the FSC-BT936E Bluetooth Audio Module.
1 x Windows PC
1 x Mobile Phone (Android / iOS)
2 x Bluetooth Headphones / Bluetooth Helmet

Software and Setup

Feasycom Serial Port Tool : A serial port communication analysis tool based on Windows PC.
FeasyBlue App : A mobile application based on Android or iOS.
Communication Interface : UART
UART Configuration : 115200/8/N/1

Hardware Access

1.Connect the FSC-DB200-BT936E to the PC via a USB-to-Type-C data cable. The PC will automatically recognize the serial port and generate a virtual COMx port. As shown in the diagram below:

db200-bt936e-on-pc

2.Run the Feasycom Serial Port Tool on the PC, set the correct COM and Baud, and check the New Line.

db200-bt936e-on-at

Communication Test

The following are several basic general AT command test examples.

For more AT commands, please refer to FSC-BT936E General Audio AT Command Set .

AT - UART Communication Test

Command	AT\r\n
Response	\r\nOK\r\n
Description	Test the UART communication between HOST and Module after power on, baudrate changed, etc.

Example:

 Send:    >>AT\r\n               
 Response:<<\r\nOK\r\n

AT+NAME - Read/Write Local BR/EDR Name

Example:

Send:     <<AT+NAME\r\n
Response: >>\r\n+NAME=FSC-BT936E-1B43\r\n   //Example, please refer to the actual reading 
Response: >>\r\nOK\r\n

AT+LENAME - Read/Write Local BLE Name

Example:

Send:     <<AT+LENAME\r\n
Response: >>\r\n+LENAME=FSC-BT936E-LE-0D15\r\n   //Example, please refer to the actual reading 
Response: >>\r\nOK\r\n

AT+VER - Read the Current Firmware Version

Example:

Send:     <<AT+VER\r\n
Response: >>\r\n+VER=BT936E,V2.3.9,20250917\r\n    //Example, please refer to the actual reading
Response: >>\r\nOK\r\n