Ebyte E90-DTU(400SL47), Manual

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Chengdu Ebyte Electronic Technology Co., Ltd E90-DTU(400SL47) User Manual
Copyright ©2012-2023, Chengdu Ebyte Electronic Technology Co., Ltd 18
8.3 Factory Default Parameters
model
number
E90-DTU (400SL47) factory default parameter values: 00 00 00 62 00 17 03 00 00
Module
Model
frequency address signal path airspeed baud
Serial Port
Format
firing power
E90-DTU
(400SL47) 433.125M
Hz
0x0000 0x17 2.4kbps 9600 8N1 46.
±
0.5dBm
9 AT instructions
AT commands are used in the configuration mode. AT commands are divided into a total of three categories:
command commands, setup commands, and query commands;
Users can "AT+HELP=?" to query the AT instruction set supported by the module, and the baud rate used for AT
instruction is 9600 8N1;
When the input parameter exceeds the range, it will be limited, so please do not let the parameter exceed the range
to avoid unknown situation.
9.1 AT Instruction Table
time of 2 seconds and will be forced
to issue when it reaches two seconds.
3 reservations
2 1
0 reservations
07H write
CRYPT_
H
Key high byte (default 0)
Write only, read returns 0
Used for user encryption to avoid
interception of over-the-air wireless data
by similar modules.
These two bytes will be used
internally by the module as a
computational factor to transform the
encryption of the over-the-air wireless
signal.
08H write
CRYPT_
L
Key low byte (default 0)
80H~
86H read-only
(computing)
PID 7 bytes of product information 7 bytes of product information
command instruction descriptive typical example Example Description