Here is a quick 3D sketch of what the final product will most likely be similar to. The electronics will be encapsulated in a small box, which has three LEDs on the front, right beside a button. Upon pushing the button, the device will activate the sensors and take the necessary readings. The five sensors are situated on the bottom of the device.
Once the data from the sensors is collected and processed, it will automatically try to be sent to the cloud with the cellular network. If the cloud isn’t available or unreachable, the device will be able to locally store the results until a cellular connection is made.
The illustration was made using Paint 3D by Microsoft.
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