Chengdu Ebyte Electronic Technology Co.,Ltd.
E330-400T13S User Manual
Copyright ©2012–2021
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Chengdu Ebyte Electronic Technology Co.,Ltd.
12
Send
Cannot send data wirelessly
Receive
Cannot receive data wirelessly
Other
All related functions of the module are closed, and the sleep mode can only be exited through the M1M0 pin
7. Register read and write control
7.1 Instruction format
In configuration mode (mode 2: M1=1, M0=0), the supported command list is as follows (when setting, only 9600, 8N1 format is
supported):
No
Instruction format
Detailed description
1
C0+
working
parameters
Send C0+5 bytes of working parameters in hexadecimal format, a total of 6 bytes, must be sent
continuously (save when power off)
2
C1+C1+C1
Three C1s are sent in hexadecimal format, and the module returns the saved parameters, which
must be sent continuously.
3
C2+Working parameters
Send C2+5 bytes in hexadecimal format. Working parameters, 6 bytes in total, must be sent
continuously (not saved after power failure)
4
C3+C3+C3
Three C3s are sent in hexadecimal format, and the module returns version information, which must
be sent continuously.
7.2 Working parameter reading
Instruction format
Detailed description
C1+C1+C1
In sleep mode (MOD=1), send a command to the module serial port (HEX format): C1 C1 C1,
The module will return the current configuration parameters, such as: C0 00 00 10 52 34.
7.3 Version number read
Instruction format
Detailed description
C3+C3+C3
In sleep mode (MOD=1), send a command to the module serial port (HEX format): C3 C3 C3,
The module will return the current configuration parameters, such as: C3 00 0X XX1 XX2 XX3 XX4 XX5;
Here, 00 0X represents the model of the module, XX1 is the version number, and XX2 XX3 XX4 XX5 refer to other features of the
module.