[Dry goods] Put an end to the 'little black box' and select the must-know skills for smart door locks

Recently, many people have asked me whether the small black box second fingerprint lock that is circulating on the Internet is true? So, how can such a simple device easily crack the smart door lock? 1. The principle of unlocking the small black box. The structure of the small black box is not complicated. It is a Tesla coil. The electromagnetic pulse can form a strong magnetic field and destroy the surrounding electronic equipment. For smart door locks, when the magnetic field transfers electrical energy into the fingerprint lock, strong voltage and current impact the chip inside the circuit board through the internal circuit of the fingerprint lock, which will immediately cause the chip to crash and restart. Most smart locks on the market will automatically unlock after the chip restarts by default, so the Tesla coil can unlock the smart lock in seconds. 2. How to prevent chip crashes. The smart door lock market is uneven. The fundamental reason why the Tesla circle can open the smart lock in 3 seconds is that bad merchants cut corners in circuit design to reduce costs. How did they do it? In terms of circuit design, the voltage stabilization module is one of the effective protection hardware to prevent high voltage and high current impact. Omitting the core voltage stabilization module is equivalent to the core program without protection for the restart function, and no current overload short-circuit function is added. . Just like when driving, the anti-lock brake function is deleted from the wheels of the car. So as long as there are risk factors, the final result will be no exception, all will be recruited. 3. How to choose a smart door lock to buy a smart door lock, whether to buy it in a formal channel, whether to have a clear warranty, and good after-sales is the key. The significance of the existence of the lock is a line of defense for the home. Therefore, safety is the primary consideration standard. So, what is the safety reference index for door locks? According to industry experts, active protection, anti-theft functions, network security, mechanical parts, stability, and additional service functions are factors that determine whether the door lock is safe. When a smart lock is broken, it is not worth our excessive panic to deny this emerging industry. Security is always relative. World-renowned technology giants will still be exposed by hackers from time to time. When Alipay first emerged, there were more doubts than smart locks encountered today. However, with Alibaba's improvement and protection of platform security, the doubts eventually disappeared, and Alipay has gradually become an indispensable part of everyone's daily life. The healthy development of smart door locks requires consumers' confidence, the state's support, and the society's assistance, as well as manufacturers' own responsibility. Know that Chuangyu is willing to work together with smart door lock manufacturers to promote the healthy development of the industry and jointly protect the personal and property safety of consumers.
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