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In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer 87LPC764 , and wa...[Details]

introduction Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]

In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards. As an effective network security solution,...[Details]

Contact resistance is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors, relays , and switches. The...[Details]

1 Introduction to HART Protocol HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]

Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]

Printed circuit boards ( PCBs ) are used in most electrical products . If a PCB has low insulation resistance (IR), the performance of the circuits on the PCB will be greatly reduced...[Details]

With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]

With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]

0 Introduction Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]

Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]

introduction LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]

Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]

1. The composition and structure of mobile phone lithium battery Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]

When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility? 1. The following systems should pay special attention to anti-...[Details]