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1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
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Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
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1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
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1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
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With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
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The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
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At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
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Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
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It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
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1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]
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Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
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0 Introduction
The load with impact (rapid change) power in the power system will cause the voltage fluctuation and flicker of the power grid, causing many electrical equipment to fail to wo...[Details]
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0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
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1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]
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Lithium iron phosphate batteries are used as lithium-ion secondary batteries. Their main application is now in power batteries, which have great advantages over NI-H and Ni-Cd batteries.
Lithi...[Details]