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I often check out some technical articles, and I find that many people write them in the form of blogs, saying that they are beneficial to others and themselves. I think that makes sense. Looking bac...[Details]

With the development of the process structure of modern electronic equipment, printed circuit boards have replaced many of the previous complex wiring, providing great convenience for the manufactu...[Details]

Apple is considering using an iPhone or Apple Watch to provide keyless access to its cars, according to foreign media reports. Compared with the current key card-based system, the use of Ultra Wideba...[Details]

0 Introduction     With the popularity of consumer products such as PDAs, mobile phones, digital cameras, printers, etc., the high-speed data transmission technology used for these devices and comput...[Details]

＃i nclude《90s8515.h》 #define uchar unsigned char #asm equ __LCD_port=0x18 ;PORTB #endasm ＃i nclude ＃i nclude /************Key function description: 0--9 are number keys********/ #define cEnter 16 //C...[Details]

  figure 1   Although power batteries do not seem to have complex components, they still need to go through a lot of complex and repetitive testing from research and development to application, and ...[Details]

FMCW is an abbreviation of Frequency Modulated Continuous Wave. FMCW technology is the earliest technology used in radar level measurement equipment. FMCW microwave level meter uses linear mod...[Details]

1 SDRAM addressing: The board uses a modern sdram chip 4M×16b×4Bank, which is 32MB. It should have 25 address lines, but the chip only provides 13 address lines, 2 bank select lines (BA0, BA1), and t...[Details]

1. Systematic error refers to the regular error caused by the measuring instrument or method, which is reflected as the deviation from the true value, such as instrument zero error, annual change err...[Details]

For many people, driving is a very boring thing, just one of the ways to get to the destination faster. But as long as you put on Varjo  VR-1, your travel experience will be completely different. You...[Details]

Induction heating Power supply is widely used in metal heat treatment, quenching, annealing, heat penetration, melting, welding, heat sleeve, semiconductor material refining, pla...[Details]

　　1 Introduction 　　With the development of science and technology, embedded processors have been widely used in communication equipment, consumer electronics, military electronics and other fields, a...[Details]

As of the close of October 22, the three major A-share indices continued to perform weakly today and eventually closed down collectively, with the Shanghai Composite Index falling 0.38% to 3312.50 po...[Details]

Overview In some occasions where unmanned automatic monitoring is required, the use of conventional image monitoring systems has some inevitable disadvantages, such as: large equipment size, high p...[Details]

A variable frequency drive (VFD) is an electronic device used to control the speed of a motor. It achieves speed regulation of the motor by changing the frequency and voltage of the motor power sup...[Details]