User's Manual

Chengdu Ebyte Electronic Technology Co., Ltd E104-BT05 User Manual

4.8 MAC address bonding

When E104-BT05 sets the binding connection address, opens the binding enable, retrieves whether the host MAC

address is a binding address before accepting the host connection request, the connection is established if the address

matches successfully, otherwise, the slave will continue to broadcast.

See more details: 6.23 Read MAC binding status, turn MAC binding on and off.

4.9 Bluetooth single packet byte length MTU Configuration

The user can configure the maximum single-packet data length by AT command "AT+MTU=xx". The default is 20

bytes, and 20~128 bytes is optional. The packet length can be increased to realize the big packet data transmission.

Description: The next Bluetooth connection will take effect after the packet length is configured.

4.10 UUID configuration

The module supports UUID flexible configuration. It can turn on 128-bit UUID function by command "AT +

UUIDTYPE = 1" , and customize the transparent transmission service UUID, receiving feature field UUID, sending

feature field UUID by command "AT+ +UUIDSVR=xx", UUIDCHAR1 = xx", "AT + UUIDCHAR2 = xx"

See more details from 6.26 Request/Set transparent transmission service UUID length ,

4.11 Broadcast data switchable

The E104-BT05 supports general broadcasting and iBeacon broadcast. The command can be configured to select the

broadcast mode. (Note: Since the default MTU length is 20 bytes, if the data length is longer than 20 bytes when setting

the broadcast data, the user needs to modify the MTU length before setting broadcasting data.

General Broadcast packet format:

The broadcast information includes advertising and scan response, advertising is the active broadcast, and scan

response is a broadcast report that is replied after receiving a host scan request.

Advertising：

Fixed field

Len

Vendor field

Manufa data

020106

0xFF

Configurable，maximum 26 bytes