Property Tracking Device Based on GPS

A very light tracking system that utilised Raspberry Pi and other commercial modules. Heavy development, but adequate for a high school student.

Summary

In today’s context where education is getting more and more attention, campuses are getting bigger and bigger. However, this trend has also brought about problems-the management of campus assets (especially audio-visual equipment) is very chaotic, and the arbitrary use of equipment Not registering makes the existing asset management system very useless. In order to help the administrators of our school to better manage the valuable equipment, I developed an asset tracking system. The tracker is fixed to the valuable equipment with screws, and a more accurate location is obtained through GPS to determine the actual location of the equipment. . Along the way, we encountered many problems, and obtained a positioning accuracy ranging from a deviation of more than 30 kilometers to the current maximum of 15 meters (with good indoor signals). This set of equipment has the characteristics of low price, convenient installation, simple configuration, high stability and data security, and can be initially applied in actual operation.

In order to ensure that the device can still run after a power failure, we have configured a 16.04wh battery, which can supply the entire device to work for up to 6 hours (the graphical interface is not turned on and it is in a good condition, data on October 4). It can continue to work for a long time when the network is connected (it takes less than 3 minutes to start up after power failure).

In our tests, this device can achieve an impressive result with an update interval of less than three minutes and an average accuracy of ±5.64m. According to estimates, it can continue to operate stably under poor conditions (with the graphical interface and VNC turned on)6 More than months.

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