IEEE Consumer Electronics Magazine - November/December 2021 - 41

Figure 4. (a) Automatic spraying alcohol control
structure. (b) Standby status. (c) Pull the handle to
spray alcohol.
whose angle of rotation is determined by a control
pulse signal's width to achieve precise handle positioning.
The user can have their hands disinfected
without touching the sprayer to prevent the risk of
infection, as shown in Figure 4.
Cloud Database Management and Control
System
In this work, a thermometer with Bluetooth
function is adopted. An App is developed for a
smartphone built-in with the NFC function.
Before getting their forehead temperature measured,
the user signs into the system with their
ID card through the NFC of the smartphone.
After the forehead temperature is measured,
information such as the user ID and temperature
will be transferred to the cloud system by the
smartphone App.
The App user interface is shown in Figure 5(a).
For information security, only the number of
the ID card is accessed through NFC. This
number is then sent to the cloud server by WIFI
to perform an identity check. Whenever the
November/December 2021
Figure 5. (a) Interface of the smartphone app. (b)
Interface of the health condition.
measured temperature exceeds 37.5
C, a warning
immediately appears to request the user
with suspected of having a fever to wait aside
for 10 minutes before another measurement is
taken. If the forehead temperature still exceeds
37.5
C,theuserwithafeverwillbeforbidden
to enter the building. We also add a consent for
personal privacy process in the database to
counter possible privacy issues or conflicts.
The system can set a function that displays the
temperature or sends a cue to notice staff and
theuserifthe user is runningafever.They
must then go to the hospital for a complete
screening and voluntarily updates of their personal
physical condition. The information gathered
by the intelligent system can be used by
the Information Technology Services Center to
track the footprint of each user, as shown in
Figure 5(b), where information items such as
the ID number, forehead temperature, indication
of symptom/fever, building number (location),
and login time are recorded.
41

IEEE Consumer Electronics Magazine - November/December 2021

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