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This article is marked as a capriccio, which means that it is not a strictly structured article, but is written as I think of it. I hope readers will like this style. The following is the main text...[Details]

　　Precautions 　　Before measuring resistance, the circuit under test must be fully discharged and completely isolated from the power circuit. 　　If the test pen or power adapter is damaged and needs ...[Details]

In the post-Moore era, advanced packaging is an inevitable choice. Thanks to the widespread demand for higher integration, Moore's Law has gradually slowed down. Driven by heterogeneous integration a...[Details]

Video billboards and jumbotrons require a large number of small subsystems, including power supplies, video encoders and decoders, line drivers, digital signal processors (DSPs), etc., which work c...[Details]

Here is an introduction to the method of using a 51 single-chip microcomputer to drive a stepper motor.  The driving voltage of this stepper motor is 12V, and the step angle is 7.5 degrees. One circl...[Details]

In February 2010, EDN tore down the first LED light bulb. At the time, $20 could buy a 40W 500-lumen, cool-white 5000K, non-dimmable bulb that consumed 7W of power. The warm-white version of the bulb ...[Details]

//The crystal oscillator of this machine is 11.0592, using stc89c51 single chip microcomputer, and the two buttons P3.2 and P3.3 control the output frequency of the square wave generator. #include re...[Details]

China Energy Storage Network News : "The Global Energy Internet can fully connect with the six aspects of the Paris Agreement, including mitigation, adaptation, funding, technology, capacity ...[Details]

With the development of economy and the improvement of living standards, people have higher and higher requirements for health, and urgently need a convenient and quick way to know their vital sign...[Details]

The annual global display exhibition FINETECH JAPAN 2009 and the first LED/OLED next-generation lighting exhibition were successfully held at the Ariake Big Sight in Tokyo, Japan recently. The ne...[Details]

With the development and progress of solar photovoltaic technology, solar cells, as a new energy source, are first used in lighting fixtures in the civilian field. Solar lighting products have the ...[Details]

(1) Average current type. The operating frequency is fixed, and the input current continuous (CCM) waveform is shown in Figure (a). TI's UC3854 works in average current control mode. The advan...[Details]

Preface: When I started learning USART+DMA, I saw the post "STM32 UART DMA implements unknown data length reception" and thought the method was great. The following is from this post - (The overall i...[Details]

Last week, the Wall Street Journal published an article titled "How AMD handed the keys to its chip kingdom to China?", which directly pointed the finger at AMD. In February 2016, AMD reportedly reac...[Details]

When discussing the RC spike absorption problem of the secondary-side rectifier diode of Flyback, it is better to use RCD absorption than RC absorption to deal with such spike problems. With RCD abso...[Details]