Instruction Syntax Format - Waveshare WIFI232 User Manual

WAVESHARE ELECTRONICS
Above is by COM, also you can send by WIFI:
First, connect with PC, open the software, see Net part
Click search, then will show module, click module then you can send command.

5.2.2.1 Instruction Syntax Format

AT+Instruction protocol is based on the instruction of ASCII command style, the description of
syntax format as follow.

Format Description

< >: Means the parts must be included

[ ]: Means the optional part
Figure 41 software of WIFI232-Setup
Figure 42 Search module
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WIFI232 User Manual