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I was invited to write a "key shift" program. It requires the use of a 4×4 matrix keyboard and a digital display. The keyboard is connected to P1, and the digital display is connected to P0 and P2 po...[Details]
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Project Overview With the continuous improvement of the quality of various graphics and image content and the need for real-time display of system operation, more and more industries such as fina...[Details]
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The DVN International Workshop on Automotive Lighting Innovation Technology was held in Shanghai from April 24 to 25. This DVN Workshop adhered to the spirit of professional technical exchange and in...[Details]
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With the continuous improvement of industrial automation and the national "dual carbon" strategic goal, inverters, as a key part of motor control systems and industrial energy conservation, have hi...[Details]
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1 Introduction Due to the variety of applications of ultra-wideband communications and radars, the design methods of ultra-wideband filters are also quite diverse. Many scholars have studied various ...[Details]
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1 Introduction
Traditional radar transmitters use dedicated signal generation modules, which cannot arbitrarily set waveform forms, parameters, signal center frequency, signal power, etc. ...[Details]
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There are two main aspects of the use of frequency converters:
1. The frequency converter is used to meet the speed regulation function required by the control. It is mainly used for speed con...[Details]
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At present, the 5G base station circuit boards installed in 5G base station equipment are generally larger in size and consist of a carrier board and multiple sub-boards attached to the carrier board...[Details]
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CATL's Kirin battery has indeed arrived as expected, and JKr 009, the pure electric medium and large MPV of JKr Automobile, has been launched. What I find interesting here is: ●Low configuration ve...[Details]
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1. Experimental Purpose Use STM32 to generate two signals with different frequencies at the same time, and observe the flashing speed of the two LEDs on the development board, as well as view the wav...[Details]
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1. Basic knowledge of liquid flow
The properties of flowing liquid are between those of gas and liquid. On the one hand, it is like a solid, has a certain volume and is not easily compress...[Details]
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The overseas versions of OnePlus 9 and 9 Pro pushed the official version of OxygenOS 12 based on Android 12 on December 7. However, a large number of users subsequently complained that this version o...[Details]
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Today, Honor Mobile announced that the Honor Vera30 series will be equipped with the Kirin 990 processor, with full dual-mode 5G full network access, and will be available in the fourth quarter of th...[Details]
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1. Communication protocol. I2C is a two-wire serial bus developed by PHILIPS and is a synchronous half-duplex bus. Data is valid When transmitting data, the SDA line must remain stable during the h...[Details]
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introduction
Radar life detectors are detection systems that obtain micro-motion information of life forms behind opaque obstacles such as walls and ruins in a non-contact manner. The basi...[Details]