Abstract
In production practice, important articles are often damaged or lost during storage and transportation due to the failure of real-time dynamic supervision. To solve this problem, a remote control and positioning system based on NB-IoT(Narrowband Internet of Things) is designed. The system uses STM32F103 as the main control chip,uses BC20 as the NB-IoT communication unit.BC20 collects the positioning signal and realizes the communication with the IoT platform. The upper computer obtains data from the IoT platform to realize remote monitoring. The research shows that the system can collect the location information of the equipment in real time, and the positioning accuracy is within 3m. At the same time, it has the functions of remote alarm and temporary password unlocking, which greatly improves the security of important goods storage and transportation.
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