Quick Start; Hardware Connect - Waveshare WIFI232 User Manual

WAVESHARE ELECTRONICS
WIFI232 User Manual

1 Quick Start

WIFI232 series product is used to transmit data between RS232 and WIFI TCPIP transparently,
user can update the product to WIFI control without knowing the WIFI and TCPIP detail. All the
convert work is done by the module. For users, the RS232 side is only as a serial device,the WIFI
side is TCPIP Socket data. User can setup the work detail by sample settings which can setup via
inside web pages or RS232 port. The setup work only need do once, then it will save the setting
forever.
This chapter is a user guide for WIFI232 series products. We suggest users follow the guide to
test module at first, and will have a good understanding of the modules. Users can also choose
the chapter which you are interested in to read. For specific details and instructions, please refer
to the following chapters.

1.1 Hardware connect

In order to test WIFI module, we need connect module RS232 to PC and also WIFI to PC.
In order to test the communication between serial and WIFI network, we need to connect the
serial port to PC, and also connect WIFI networks to PC. Due to the special need both WIFI and
serial, we use PC which add USB WIFI network Card such as the following picture.
Figure 1 hardware connection diagram
About the serial connection, because the module RS232 is 3.3V TTL level, the computer can not
connect to module directly, the user needs to have a TTL to RS232 adapter cable and then
connect to the computer. in order to facilitate the test, we provide WIFI232 evaluation board for
users to choose.
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