Wireless Data Acquisition Card Application - Jinan USR IOT Technology USR-WIFI232-A2 User Manual

USR-WIFI232-A2 User Manual http://www.usriot.com
For left side USR-WIFI232-A2 module, configured as AP mode and use default SSID and IP address,
network protocol configured as TCP/Server mode, and protocol port ID: 8899.
For right side USR-WIFI232-A2 module, configured as STA mode and setting the same SSID （"USR-
WIFI232-A/B_xxxx" for this example）with left side USR-WIFI232-A2 module, enable DHCP network
and network protocol configured as TCP/Client mode, protocol port ID: 8899. Target IP address part
setting the same IP address with left side USR-WIFI232-A2 module ("10.10.100.254" for this example).
When right side USR-WIFI232-A2 boot up, it will find wireless AP (SSID：USR-WIFI232-A2_xxxx for
this example) and open TCP/Client network protocol to connect with left side module's TCP/Server. All
these operation will be automatic and after finished, the two user devices connected to USR-WIFI232-
A2 module through serial port can communicate each other and think the connection between them is
fully transparent.
Note: LAN IP address and WAN port should in different segment, as picture shown, we change
to 10.10.99.254 (the address get from left module WAN port DHCP is 10.10.100.xxx)

5.2.4 Wireless Data Acquisition Card Application

For this wireless data acquisition card application, one PC works as data server and every data
acquisition card connects with a USR-WIFI232-A2 module to support wireless connection function.
Wireless Data Acquisition Card Application
Figure 50
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