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The WristMac, a predecessor to the Apple Watch that debuted in 1988, is expected to fetch between $25,000 and $50,000 at auction. The watch has never been worn and still comes in its original packagi...[Details]
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More than 140 days after South Korea's 5G was commercialized on April 3 this year, the number of 5G users of SK Telecom, South Korea's largest telecommunications operator, exceeded one million on the...[Details]
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It is very important to use the correct measurement method during the measurement process, which is directly related to whether the measurement work can be carried out normally and the validity of ...[Details]
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The PIC microcontroller series products launched by Microchip of the United States first adopted the embedded microcontroller with RISC structure. Its high speed, low voltage, low power consumption, ...[Details]
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Recently, using a simple layer-by-layer coating technique, researchers from the United States and South Korea have developed a paper-based flexible supercapacitor that has excellent performance of...[Details]
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1. Clock architecture
Simplify it as shown in the figure:
1.1.Clock source selection
There are two clock sources for S3C2440:
External crystal oscillator (OSC)
...[Details]
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AS1119 can drive 144 LEDs and occupies only 9 mm2 of board area. It not only reduces the number of external components and connector pins, but also occupies fewer PCB layers. It can bring 80% longer b...[Details]
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Recently, Xinwanda Electronics Co., Ltd. (hereinafter referred to as Xinwanda) announced that the company plans to spin off its subsidiary Xinwanda Power Technology Co., Ltd. (hereinafter referred to ...[Details]
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At the beginning of 2020, the sudden outbreak of the COVID-19 pandemic brought severe challenges to people's work and life, and the production and operation of enterprises, especially to the informat...[Details]
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It is reported that the iPhone 13, which will be launched this fall, will cancel the Lightning port and rely on MagSafe magnetic charging. This hardware adjustment may have a huge impact on th...[Details]
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We know that
the switching speed of
MOSFET
has been greatly improved compared to triode, which can reach hundreds of K or even M. But let us think about it, when we need MOSFET to have h...[Details]
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1 Introduction
With the continuous progress of modern power electronics technology and the development of information technology, inverter power supplies are increasingly widely used in many f...[Details]
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The microcontroller does not have an operating system. The codes written in Keil are all bare-metal codes. In-depth writing of bare-metal codes helps to understand the characteristics of the hardware...[Details]
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On the morning of June 20, China Unicom Beijing Branch officially launched the 5G SA public beta. The 5G SA (standalone networking) architecture is the basis for deploying technologies such as super ...[Details]
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According to foreign media reports, General Motors (GM) has submitted a new patent application to the United States Patent and Trademark Office (USPTO). The patent is a climate control system that ca...[Details]
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