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Matrix keyboard is also called row-column keyboard. It uses I/O lines to form a row and column structure, and the keys are set at the intersection of the rows and columns. When there are many keys,...[Details]
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Global overview from a printing perspective // In fact, most of the printing during the Linux startup process is printed by arch_call_rest_init- rest_init- kernel_init- kernel_init_freeable- do_basic...[Details]
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Usually, an overheat protection device is installed to prevent the motor from overheating. The overheat protection devices are generally of the following types:
(1) Use a fuse or air circuit b...[Details]
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DSP chips can be classified in the following three ways. 1. Classification by basic characteristics This is classified according to the working clock and instruction type of the DSP chip. If...[Details]
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Owon b33+ Bluetooth multimeter, recorder + multimeter + temperature meter, the price of buying a multimeter is equivalent to owning a combination of three machines. Let's take a look at some beautifu...[Details]
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Recently, Realme Vice President Xu Qi said in an interaction with netizens that the industrial design of Realme GT Neo3 is amazing. According to the previously exposed renderings, the realme...[Details]
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在一个沒有規则性的内容转换中,查表程序是相当有用的,用户可以使用查表程序很快速的得到相关内容的转换。 例:设计一个程序,將如下图所示中的PORT5读到的一个数值,将输入内容做转换,然后输出到PORT6的7段显示器上。 上图中开关关闭,I/O引脚可以得到一个低电位,若是开关开启则I/O引脚可以得到一个高电位。 图 5.2 数码管 八段说明 7段显示器的接线图如上,我們要編一...[Details]
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This paper discusses the hardware and software design of ultrasonic tooth cleaning machine with single chip microcomputer as the core. The tooth cleaning machine uses current sampling feedback to auto...[Details]
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China Energy Storage Network News:
The 2016 China Green Company Annual Meeting was recently held in Jinan, Shandong. Wang Yusuo, Chairman of the Board of Directors of ENN Group Co., Ltd., tal...[Details]
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Physical memory and virtual memory File Interface Order Physical Memory: demidecode hwinfo lsw inxi Virtual Memory: top free pmap vmstat ps htop gotop https://github.com/cjbassi/goto...[Details]
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With the advent of the global touch-screen era, the mobility, socialization and intelligence of communication platforms have become an inevitable development direction. Under this trend, video int...[Details]
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These integrated circuits include HFE4752, SLE4520, MA8X8/SA8X8, SAXXXX, etc. Most of them need to be connected to a single-chip microcomputer to complete the SPWM control function, which is still ...[Details]
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It is reported that many large US semiconductor companies have sparked political disputes within Congress over government subsidies for the semiconductor industry, causing tens of billions of dolla...[Details]
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As a low-key domestic chip manufacturer, Nanochip has reached the top position in certain analog market segments, and is also targeting areas considered forbidden by major international manufacturers...[Details]
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On November 4, Sichuan Provincial Party Committee Standing Committee Member and Vice Governor Pubu Dunzhu visited Desheng Vanadium Titanium Company to investigate production and operation and emplo...[Details]