User's Manual

HF-A21-SMT Embedded WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com
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Figure 33. “TCPUDPDbg” Tools Connection
Now, in transparent transmission mode (HF-A21-SMT default setting), data can be transferred
from “CommTools” program to “TCPUDPDbg” program, or in reverse. You can see data in
receiver side will keep same as in sender side.
3.3. Typical Application Examples
3.3.1. Wireless Control Application
Figure 34. Wireless Control Application
For this wireless control application, HF-A21-SMT works as AP mode. Module‟s serial port
connects to user device. So, control agent (Smart phone for this example) can manage and
control the user device through the wireless connection with HF-A21-SMT module.