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Deployment of eight IoT temperature sensors and two power surge sensors completed in mid-Oct 2020, first at the
Song Fish Headquarters. The company management has approved the sensor’s design. After the approval, the team
worked on the remaining set of sensors. The deployment schedule is shown in Figure 22.
Figure 22: Project deployment schedule.
Data from eight IoT temperature sensors and two power surge sensors were collected from the cloud. Samples
of the data collected are shown in Figure 23. Two of the temperature sensors measured less than -18°C. The two
abnormal temperature measurements were reported to management for follow up and maintenance of the freezer.
After completion of the maintenance, the temperature was observed to be normal again.
Figure 23: Sample data collected from IoT temperature sensor nodes.
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