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1. Basic knowledge 1.Key classification and input principle Keys are divided into two categories according to their structural principles. One is contact switch keys, such as mechanic...[Details]
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ZL2008 is the latest generation of digital DC-DC power controller, which uses Intersil Zilker Labs' pin setting technology to configure power conversion and power management parameters. Traditional...[Details]
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1. Experimental task:
Use the MCU AT89S51 and ADC0809 to design a digital voltmeter that can measure the DC voltage value between 0-5V and display it in four digits, but the number of components us...[Details]
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WASHINGTON (Reuters) - Global exports of semiconductors to Russia have plunged 90 percent since the United States and its allies imposed export controls on Moscow over its conflict with Ukraine, U.S....[Details]
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introduction
Traditional attitude measurement uses high-precision attitude sensors such as gyroscopes and accelerometers, which are bulky and expensive. The current MEMS products are known as a maj...[Details]
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Digital oscilloscopes are suitable for measuring fast pulse signals. They are also equipped with high-gain amplifiers, so they are highly sensitive and can observe weak signals. Digital oscilloscopes...[Details]
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Recently, Xiaomi announced through its official Weibo that the technical pre-research project of Xiaomi's 200W wired fast charging was unveiled on CCTV's "Fashion Technology Show". In add...[Details]
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The STM32F10x reference manual does not provide a detailed description of the STM32 interrupt priority level. You need to refer to the STM32F10xxx Cortex-M3 Programming Manual.
1. The concept o...[Details]
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Temperature detection and control systems have been widely used in industrial production, scientific research and daily life. Directly affected by the measurement temperature control, a series of ...[Details]
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This program is simplified based on the official STC program. Only the one-way transmission of the serial port is retained. The serial port assistant can be used to receive data. The purpose of this...[Details]
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Not long ago, General Motors CEO Mary Barra said in response to an analyst's question on a financial report conference call that the company expects to spend more on developing and selling electric v...[Details]
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Ouster LiDAR OS-1 (left) and OS-2 (center) Velodyne invented the modern 3D LiDAR scanner in the mid-2000s, but in recent years conventional wisdom has held that Velodyne’s design — 64 lasers mounted...[Details]
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1. Introduction
Microwaves usually refer to decimeter waves, centimeter waves and millimeter waves. Regarding its frequency range, one statement is:
300MHz ~ 300GHz (1MHz = 106Hz, 1GHz = 10...[Details]
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Recently, at HDC 2020 (Huawei Developer Conference), Wang Yanmin, President of Huawei Consumer Business Global Ecosystem Development Department, delivered a speech and introduced the latest developme...[Details]
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USB has been around for more than a decade since it was introduced in 1996. The earliest USB 1.0 had a speed of only 1.5Mbps, and it was upgraded to USB 1.1 two years later, with a speed greatly incre...[Details]
PCB Design
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