In this paper, a multifunction anti-theft backpack is designed. The control system uses a micro controller as the control core powered by battery. It can be set different working modes by the remote control or the APP operation of the mobile phone. The system uses infrared sensor to measure the changes of the human information in the external environment, and it combines the signal of the zipper sensor to control the alarm circuit to work. The multifunction anti-theft backpack has the basic function of the common backpack. At the same time, it has high anti-theft and robbing function, and it also has the functions of mobile charging and automatic lighting inside the bag. The multifunction anti-theft backpack is more convenient and comfortable.
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