Bluetooth module GATT Server & GATT client

- Jul 28, 2019-

GATT Server-Client (FSC-BT671)

One of the standard firmwares of the module simultaneously supports GATT server and GATT client features, when the user use the AT commands for the GATT client feature, the module will act as client (master) role, otherwise, it acts as Server (slave) role.

The list of AT commands for the GATT client feature:

Commands

Description

AT+SCAN

Scan nearby devices

AT+LECCONN

Establish GATT connection

AT+DISC

Release all Bluetooth connections

Only available in AT-command mode

AT+LESEND

Send data via GATT

Note: for more information about these commands, please refer to FSC-BT6XX Programming User Guide V3.0(BLE)

Typical AT-Command Mode GATT Client Interaction:


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