Chengdu Ebyte Electronic Technology Co.,Ltd.
E95M-DTU(400SLxx-xxx) User Manual
Copyright ©2012–2023, Chengdu Ebyte Electronic Technology Co.,Ltd.
20
in
reading
instructions in Section 9.1.
5.3 Factory default parameters
Factory default
parameter value
C0 00 09 00 00 00 60 00 23 03 00 00
Module model
frequency
address
channel
Air rate
Baud rate
Serial port
format
transmittin
g power
E95M -DTU
(400SL 20-485)
433.125MHz
0x0000
0x 23
2.4kbps
9600
8N1
20dBm
E95M -DTU
(400SL 30-485)
433.125MHz
0x0000
0x 23
2.4kbps
9600
8N1
30dBm
6. AT Directive
AT instructions are used in configuration mode. AT instructions are divided into three categories: command
instruction, setting instruction and query instruction;
Users can go through the words " AT + HELP =?"Query to the AT instruction set supported by the module,
the AT instruction adopts the port rate of 9600 8N0;
When the input parameter exceeds the range, it will be limited. Please do not let the parameter exceed the
range to avoid the unknown situation.
6.1 The AT instruction sheet
command instruction
description
instance
Example description
AT + IAP (Use carefully, see
article 6.3 serial port upgrade
firmware considerations)
Enter the IAP upgrade
mode
AT+IAP
Enter the IAP upgrade
mode
AT+RESET
Equipment restart
AT+RESET
Equipment restart
AT+DEFAULT
Configure the
parameters to restore
the default
And the device
restarted
AT+DEFAULT
Configure the parameters
to restore the default
And the device restarted
Set instructions
description
instance
Example description
AT+UART=baud,parity
Set the port rate and check AT+UART=3,0
Set the port rate to
9600,8N0
AT+RATE=rate
Set air rate
AT+RATE=7
Set the air rate to 62.5K
Содержание E95M-DTU
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