Configure Dtu Function Application To Enter Transmission Mode By Default After Power - On; Module Voltage Query - Ebyte EA01-S User Manual

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AT command
AT+POWONLINK=<type >\r\n
AT+POWONLINK
(1) This AT command configuration selects the SOCKET that is automatically connected after power-on, and the
TCP/UDP channel is automatically connected when power-on by default.
(2) Configuration parameter description:
<type>: 1 means that it is connected to the MQTT channel when it is powered on, 2 means it is connected to the COAP
channel when it is powered on, and 3 means it is connected to the Ebyte cloud when it is powered on.
Note: When power-off saving is required, input AT+NRB command will save the parameters to the flash, and the
automatic restart will take effect.
3.3 Configure DTU function application to enter transmission mode by default
after power-on
AT command
AT+DTUUSER=<enable>\r\n
AT+DTUUSER
(1) The AT command configuration selects whether to enter the transmission mode by default when the power is turned
on, and the default is to close the DTU application, that is, to turn on the AT mode.
(2) Configuration parameter description:
<enable>: 0 means close, 1 means open, input AT+NRB command will save the parameters to flash, and automatically
restart to take effect.

3.4 Module voltage query

AT command
AT+VBAT=?
(1) VBAT is the current power supply voltage of the module, and the normal working range is 3.1-4.2V
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Response
OK
power on link socket type: <type>
Response
OK
DTU enable: < enable >
Response
+VBAT:<value>
OK
EA01-S User Manual
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