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1 System working principle In a DC circuit, active power reflects the product of the voltage and current of the measured circuit (P=UI); in an AC circuit, in addition to this product, it should also ...[Details]
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With the continuous development of modern industry's requirements for precision, high speed and high performance, traditional controllers are no longer competent in high-demand occasions. In many o...[Details]
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Among the common problems in the application of power modules, reducing the ripple noise at the load end is what most users are concerned about. So how to reduce the ripple noise of the module? The f...[Details]
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Many friends who are new to LED display are curious about why they are required to wear shoe covers, anti-static rings, anti-static clothing and other protective equipment when visiting many LED di...[Details]
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Today I took the Huawei P40 Pro out to take some photos. Since I didn't set a shooting theme, I just did some relatively simple "street photography" (shooting locations include Century Plaza in P...[Details]
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On August 21, IC Insights listed the rankings of the top 15 semiconductor suppliers in the world in terms of sales in the first half of this year in its latest report. Sony was the only company among...[Details]
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I would like to say a few things about max232:
1. max232 is a level conversion circuit. The high level of 232 level is -15 volts to -3 volts, and the low level is +3 volts to +15 volts. The ideal val...[Details]
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Multiple reports claim that Samsung is preparing to launch the Galaxy S21 series in January. News in July revealed that the series includes three models: Galaxy S21, Galaxy S21 + and Galaxy S21 Ultra...[Details]
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PLC (Programmable Logic Controller) is a technology that combines software and hardware, because the programs we write require external wiring to be implemented, and a PLC with only wiring but no p...[Details]
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Recently, two flash explosions occurred in Tongzhou District. It was initially judged that they were related to gas. Yesterday, Beijing Fire Department gave some small suggestions to teach residents ...[Details]
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The "war" between Samsung and TSMC over process technology has spread to automotive chips. Samsung and TSMC, two silicon chip foundries, are competing for customers in many fields that require chip...[Details]
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Beijing time, July 20th morning news, it is reported that Tom Caulfield, CEO of US chip manufacturer GlobalFoundries, said on Tuesday local time that if a bill to support the US computer chip industr...[Details]
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0 Introduction
Nowadays, due to its wide application in many fields such as civil and national defense, aerial robot technology has been increasingly valued by people and has attracted the att...[Details]
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Preface
Nowadays, many devices are equipped with brushless motors instead of brushed motors. Why? Because the performance is better!
Introduction
Like repels like, opposites at...[Details]
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;---------------------------------------------------------------------------------------- P1 port is connected to 4×4 buttons. Common methods for reading key values are "table lookup method" and "i...[Details]