5 advantages and 4 types of smart locks

Smart locks refer to locks that are different from traditional mechanical locks and are more intelligent in terms of user identification, security, and management, covering specific types of lock products such as fingerprint locks, electronic p

The working principle and design of electromagnetic flowmeter

Today, I will introduce a national invention authorized patent-electromagnetic flowmeter. The patent was applied for by Azbil Corporation, and the authorization was announced on September 7, 2018.

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Reason analysis of CAN connection with 120 ohm terminal resistance

This article is mainly about the related introduction of the CAN bus, and focuses on the detailed explanation of the reason why the CAN is connected to the 120 ohm terminal resistance.

CAN bus

CAN is the abbreviation of Controller Area Network (CAN). It was devel