IEEE Instrumentation & Measurement - September 2023 - 24

(a)
(b)
Fig. 2. Final version of the See Far glasses' frame. (a) 3D model exploded view; (b) 3D printed prototype.
approach was followed for the processing unit's housing, the
main processing unit was designed so that it could easily be
modified to follow different architecture schemes, i.e., to be
mounted on the glasses. Fig. 3a presents the 3D model of the
latest implementation of the See Far processing unit baseboard.
Fig. 3b depicts the different layers of the baseboard's PCB. The
processing unit can be powered by a Lithium-Ion battery.
(a)
L1
L3
(b)
Fig. 3. See Far glasses' Snapdragon 845A processing unit baseboard. (a) PCB 3D model; (b) Four PCB layers.
24
System Testing
To confirm the proper operation of See Far glasses' completed
prototypes, laboratory tests
were carried out, targeted to
the electronic components
of the system: electrical continuity
tests were performed
to rule out the existence
of unwanted short circuits
in the developed boards;
power stability and autonomy
tests were carried out
to ensure that all electronic
devices were adequately
powered with the appropriate
voltage and enough
current for their operation
and to determine the time
that the entire device can
operate on battery; operating
system and sensors
tests were performed to
ensure that the operating
system, the sensors and
the peripherals can operate
as expected. This part involved
development and/
or use of dedicated applications
for testing the
functionality of the sensors
and peripheral devices with
the employed operating
system; stability tests involved
the evaluation of the
device's performance for
long periods to determine
L2
L4
IEEE Instrumentation & Measurement Magazine
September 2023

IEEE Instrumentation & Measurement - September 2023

Table of Contents for the Digital Edition of IEEE Instrumentation & Measurement - September 2023

Contents
IEEE Instrumentation & Measurement - September 2023 - Cover1
IEEE Instrumentation & Measurement - September 2023 - Cover2
IEEE Instrumentation & Measurement - September 2023 - Contents
IEEE Instrumentation & Measurement - September 2023 - 2
IEEE Instrumentation & Measurement - September 2023 - 3
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