4.1 Software Design of Acquisition Terminal
The software design of acquisition terminal is written in Lua script language, and the
design flow is shown in Fig. 7. First, initialization operations are performed, including
initialization of IO, timer, Wi-Fi, server connection, etc.
Fig. 6. Relay control circuit diagram
Initialization
Receive ECho Message
Receive Information about
Switching Vitilator?
Turn on the Ventilator?
Smoke Value
Exceeded the Limit?
Close
Open
End
Yes
No
No
No
Yes
Yes
Pack Data to Server
Close
Open
Begin
Fig. 7. Flow chart of software design for acquisition terminal
Industrial Ventilator Monitoring System Based on Android
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