hengdu Ebyte Electronic Technology Co., Ltd.
EA01-SG UserManual
Copyright ©2012–2020
,C
hengdu Ebyte Electronic Technology Co., Ltd
11
3.3
CONFIGURE THE DTU FUNCTION AND THE APPLICATION ENTERWHEN IT IS
POWERED ON
AT ORDER
RESPONSE
AT+DTUUSER=<ENABLE><NEWLINE>
OK
AT+DTUUSER
DTU ENABLE:< ENABLE >
The AT Command Configuration Selects Whether To Enter The Transmission Mode By Default
When The Device Is Powered On.
Con-figuration Parameter Description: <Enable>, 0 Means Close, 1 Means Open, Input at+NRB
Command Will Save The Parameters To Flash, And Automatic-ally Restart To Take Effect.
3.4
MODULE VOLTAGE QUERY
AT ORDER
RESPONSE
AT+VBAT=?<NEWLINE>
+VBAT:<VALUE>
OK
VBAT Is The Current Power Supply Voltage Of The Module. The Normal Working Range Is 3.1-4.2V.
3.5
SWITCH BETWEEN at MODE AND DATE TRANSMISSION
AT ORDER
RESPONSE
ATD*98<NEWLINE>
CONNECTING
OK
+++
OK
It Works In at Command Mode By Default After Power-On. In at Command Mode, Send ATD*98<Line
Feed> Or ATD*99<Line Feed>, It Will Switch To Transparent Transmission Mode.
In The Transparent Transmission Mode, The Last Three Bytes Of The User DATE Are "+++", Or
The Three Bytes "+++" Are Sent After The User DATE Transmission Is Completed, And The
Transparent Transmission Mode Will Be Ended.
3.6
SWITCH BETWEEN at MODE AND DATE TRANSMISSION
AT ORDER
RESPONSE
AT+NRB<NEWLINE>
REBOOTING
After InputtingThe atCommand,The Device Will Restart Softly And Save The atParameters To The Flash. When The atParameters Need To Be
Remembered After Power-Off, Configure The Parameters Through The at Command First, And Then TheAT+NRB Parameters Must Be Input
Before They Can Be Stored In TheFlash.
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