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Flyback converters are popular because of their low cost, isolation, and the ease with which more output voltages can be implemented. For multiple output flybacks, one output voltage (generally the h...[Details]
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Common cathode means that all the cathodes of the light-emitting diodes are connected together, and this common cathode can be used for chip selection.
As shown in the figure, t...[Details]
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As we all know, 5G and AI technologies make the interconnection of all things possible. At the 2nd Global IC Entrepreneurs Conference held in Shanghai recently, Chu Qing, CEO of Unisoc, pointed out t...[Details]
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On October 14, Mobile China learned that the third quarter earnings conference of TSMC, a world-renowned chip foundry company, was officially held. TSMC CEO Wei Zhejia said at the meeting: The compan...[Details]
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On the evening of May 24, smartphone brand Redmi held a new product launch conference and officially launched the Redmi Note 11T series of mobile phones and the Redmi Bugs 4 series of headphone...[Details]
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Abstract: There are four independent voltage comparators inside the LM339 integrated block. The characteristics of this voltage comparator are: 1) small offset voltage, typical value is 2mV; 2) wid...[Details]
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Code: #include reg52.h #define uchar unsigned char #define uint unsigned int sbit LED1=P1^0; //light emitting diode sbit KEY1=P3^4; //key sbit dula=P2^6; //digital tube segment selection sbit we...[Details]
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1 Introduction
LED display screen is a new type of information dissemination media that has developed rapidly in the world since the late 1980s. It is a large-scale display system tha...[Details]
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Simplifies IoT device deployment by combining the low power, high performance and security of STM32 MCUs with the resilient global cellular IoT access and edge device-to-cloud solutions of Sierra Wir...[Details]
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The rapid growth of portable electronics, from cell phones and MP3 players to PDAs, personal DVD players and more traditional laptop computers, has led to a re-examination of many aspects of consum...[Details]
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On December 24, Xiaomi announced that Xiaomi 12Pro will adopt 120W fast charging, and it is the new self-developed 120W surging second charging technology. The Xiaomi 12 series will be officially unv...[Details]
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Abstract This paper focuses on the format of floating point numbers, the conversion between decimal numbers and floating points, and program design.
In the instrument we designed, we used PIC seri...[Details]
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Today is the 50th birthday of Richard Yu, CEO of Huawei's consumer business and executive director of Huawei. He wrote an article last night about his journey at Huawei. Richard Yu said: "Time flies....[Details]
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如今这个时代,拿出手机扫一扫,很多事儿就能在指尖完成,但相信很多人在外出就餐时都曾遇到过被告知只能扫码点单的问题,更有甚者还必须关注公众号才能吃饭。 So, do businesses have the right to do this? In fact, Article 9, Paragraph 2 of the Consumer Rights Protection Law has lon...[Details]
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Vishay Siliconix's S121j o -48V to +5V or +3.3V converter designed for ISDN applications. Its included integrated ungrounded feedback error amplifier provides direct output voltage regulation. This a...[Details]