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Table Of Contents
Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(xxxSLxx-ETH)_V2.0-AT Instruction Set
Copyright ©2012–2022Chengdu Ebyte Electronic Technology Co., Ltd.
21
Send: AT+MQTKPALIVE\r\n
Received:\r\n+OK=60\r\n
set up:
Send: AT+MQTKPALIVE=30\r\n
Received:\r\n+OK\r\n
3.8 Query/set MQTT Device Name (Client ID)
Command
AT+MQTDEVID
Function
Query/set MQTT Device Name (Client ID)
SendQuery
AT+MQTDEVID<CR><LF>
Return
Query
<CR><LF>+OK=<Client ID><CR><LF>
SendSet
AT+MQTDEVID=<Client ID><CR><LF>
ReturnSet
<CR><LF>+OK<CR><LF>
Remarks
Client ID: MQTT device name (Client ID) is limited to 128 characters
in length
Example
Inquire:
Send: AT+MQTDEVID\r\n
Received: \r\n+OK=test-1\r\n
set up:
Send: AT+MQTDEVID=6164028686b027ddb5176_NA111-TEST\r\n
Received:\r\n+OK\r\n
3.9 Query/Set MQTT Username (User Name/Device Name)
Command
AT+MQTUSER
Function
Query/Set MQTT Username (User Name/ Device Name)
SendQuery
AT+MQTUSER<CR><LF>
Return
Query
<CR><LF>+OK=<User Name><CR><LF>
SendSet
AT+MQTUSER=<User Name><CR><LF>
ReturnSet
<CR><LF>+OK<CR><LF>
Remarks
User Name: MQTT product ID (User Name/ device name) has a
limited length of 128 characters;
Example
Inquire:
Send: AT+MQTUSER\r\n
Received:\r\n+OK=ebyte-IOT\r\n