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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.
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set up:
Send: AT+MQTUSER=12345678&a1Ofdo5l0\r\n
Received:\r\n+OK\r\n
3.10 Query/Set MQTT Product Password (MQTT password/Device
Secret)
Command
AT+MQTPASS
Function
Query/Set MQTT log in Password (MQTT Password/Device Secret)
SendQuery
AT+MQTPASS<CR><LF>
Return
Query
<CR><LF>+OK=<Password><CR><LF>
SendSet
AT+MQTPASS=<Password><CR><LF>
ReturnSet
<CR><LF>+OK<CR><LF>
Remarks
Password: MQTT login password (MQTT Password/Device Secret)
length is limited to 128 characters
Example
Inquire:
Send: AT+MQTPASS\r\n
Received:\r\n+OK=12345678\r\n
set up:
Send: AT+MQTPASS=87654321\r\n
Received:\r\n+OK\r\n
3.11 Query/Set the Product Key of Alibaba Cloud MQTT
Command
AT+MQTTPRDKEY
Function
Query/Set the Product Key of Alibaba Cloud MQTT
SendQuery
AT+MQTTPRDKEY<CR><LF>
Return
Query
<CR><LF>+OK=<Product Key><CR><LF>
SendSet
AT+MQTTPRDKEY=<Product Key><CR><LF>
ReturnSet
<CR><LF>+OK<CR><LF>
Remarks
Product Key: Product Key of Alibaba Cloud (limited to 64 characters)
Example
Inquire:
Send: AT+MQTTPRDKEY\r\n
Received:\r\n+OK=user ProductKey\r\n