Arduino MLT-BT05 User Manual

MLT-BT05 4.0 Bluetooth Serial Communication Module
AT Directive
Users can communicate with the module using TX, RX lines at various baud rates.
Supported rates: 9600, 19200,38400,57600,115200. The default is 9600bps 。
Detailed instructions
MLT-BT05 4.0 Bluetooth module Command set
（ Note ： AT commands require carriage return and line feed; AT commands must be
issued before connecting. Once connected module is in data transmission mode. ）
（ AT commands ARE case sensitive; end lines with \r\n ）
1. set/query master/slave mode:
instruction response parameter
AT+ROLE<Param> +ROLE=<Param>
OK
Param ：（ 0-4 ）
0 ——slave mode?
1 ——master mode?
2 ——sensor mode
3 ——iBeacon mode
4 ——WeChat mode
default ： 0
AT+ROLE +ROLE=<Param>
2. get software version number:
instruction response parameter
AT+VERSION +VERSION=<Param>
Param ： MLT-BT05-V2.1
3. get module Bluetooth address:
instruction response parameter
AT+LADDR +LADDR =<Param>
Param:
MAC address
4. set/query device name:
instruction response parameter
AT+NAME<Param> +NAME=<Param>
OK
Param ： module
Bluetooth name
Default: MLT-BT05
longest ： 18 byte
AT+NAME +NAME=<Param>
5. set/query match code ：
instruction response parameter
AT+PIN<Param> +PIN=<Param>
OK
Param ： 6 byte bit
pairing password
default “： 123456”
AT+PIN +PIN=<Param>

Arduino MLT-BT05 Specifications

General

Brand	Arduino
Model	MLT-BT05
Category	Control Unit
Language	English