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Facial recognition technology enters the field of visitor management
With the rapid development of technology, people's lives and work have undergone tremendous changes. At the same time, high...[Details]
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1. Basic concepts of serial ports
I have read a lot of STM32 USART coding, but I think that although they all say the middle point, they are not written very well! As a rookie who has just learne...[Details]
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As a new type of particle size testing instrument, laser scattering particle size analyzer has been widely used in other powder processing and application fields. It is characterized by fast testing ...[Details]
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Recently, the Ministry of Industry and Information Technology’s latest change and expansion announcement catalog shows that NIO will start using semi-solid-state batteries in three vehicles , and the...[Details]
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Clock Introduction: The clock cycle is also called the oscillation cycle: it is defined as the inverse of the clock pulse (the clock cycle is the inverse of the crystal oscillator directly used by th...[Details]
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A crystal diode is a pn junction formed by a p-type semiconductor and an n-type semiconductor, with space charge layers formed on both sides of the interface and a self-built electric field. When ther...[Details]
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introduction CMOS image sensor is a new type of solid-state image sensor that has developed rapidly in recent years. It integrates the image sensing part and the control circuit in the same chip,...[Details]
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0 Preface
In modern electronic systems, especially for some logic chips or microprocessors, if the voltage provided by the working power supply exceeds the normal power supply voltage range, s...[Details]
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24V to 19V circuit
The circuit is shown in Figure 5. The circuit here is a step-down regulator. In order to obtain higher conversion efficiency, Linear's surface mount product LTCl624CS8 is used ...[Details]
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May 27, 2021, China – Magic Information, China’s leading artificial intelligence Internet of Things (AIoT) fingerprint recognition provider, has released an AIoT fingerprint recognition smart door lo...[Details]
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On July 19, the new Zeekr 009 was launched tonight. At the press conference, the official stated that the new car will have "three 800 full ecological solutions", namely a new generation of 800V ul...[Details]
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A digital clamp meter is a portable instrument that can measure the AC current of a circuit by continuously disconnecting the circuit. Because the digital clamp meter is easy to use and portable, it ...[Details]
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Try to analyze whether the following interrupt priority order (from high to low) is possible? If so, how should the interrupt priority level of the interrupt source be set? If not, please explain why...[Details]
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1. Experimental tasks (1). When the machine is turned on, the time displayed is 12:00:00 and the time starts to count. (2). P0.0/AD0 controls the adjustment of "seconds". Each press adds 1 second. ...[Details]
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Gartner recently released the 2024 China Security Technology Maturity Curve, which introduces innovations in China's security field.
This year, two new innovations were added: AI network securi...[Details]
Analogue and Mixed Signal
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