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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.
3
1.2 Enter AT Command
Command
AT
Function
Enter AT command mode
Send
AT
Return
<CR><LF>+OK<CR><LF>/<CR><LF>+OK=AT enable<CR><LF>
Remark
Returns when there is no connection and configuration+OK=AT
enable
Return when there is a connection+OK
Example
Send +++ first without newline
No line break is required when sending AT
Received \r\n+OK\r\n \r\n+OK=AT enable\r\n
1.3 Exit AT Command
Command
AT+EXAT
Function
Enter AT command mode
Send
AT+EXAT<CR><LF>
Return
<CR><LF>+OK<CR><LF>
Example
Send: AT+EXAT\r\n
Received:\r\n+OK\r\n
Wait for the device to restart.
1.4 Query Model
Command
AT+MODEL
Function
Query Model
Send
AT+MODEL<CR><LF>
Return
<CR><LF>+OK=<Model String><CR><LF>
Remark
Modelstring:NA111
NA111-A
NA112
NA112-A
NS1
NT1
NT1-B