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In the development of microcomputer control and data acquisition systems, it is often necessary to realize serial communication between PC and single-chip microcomputer through RS232 interface. In ...[Details]
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1 Basic knowledge of harmonics
(1) What is the fundamental wave?
The frequency of the periodically changing voltage or current in the power network is the fundamental wave (also called th...[Details]
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Recently, the Henan Provincial Department of Industry and Information Technology announced the "Notice of the Office of the Henan Provincial Department of Industry and Information Technology on the...[Details]
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Most people may not remember that in 2010, there were rumors that Sony Ericsson was developing a VAIO-branded Android phone, but the phone never came to market. It turns out that the rumors we...[Details]
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On March 10, Minxin Co., Ltd. issued an announcement stating that the company, Suzhou Yuanfeng Capital Management Co., Ltd. (hereinafter referred to as "Yuanfeng Capital"), Sino-Singapore Suzhou Indu...[Details]
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With the rapid development of the economy, the use of dangerous items that are prone to cause fires in production and life is increasing, and the risk of fire has also increased accordingly. The nu...[Details]
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On June 25-26, the 2021 Fifth Jiwei Semiconductor Summit will be held in Haicang, Xiamen. This summit is themed "The Heart and the Core are the Kunpeng", with "12 highlights". As one of the special l...[Details]
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When the inverter has an overload fault, it may cause certain damage to the machine, so this problem needs to be solved in time. Generally speaking, inverter overload is mainly caused by unreasonab...[Details]
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Author | Wang Chongqiao, PhD in Artificial Intelligence from Shanghai Jiao Tong University, Senior Engineer at the Institute of Information and Industrialization Integration, China Academy of Inform...[Details]
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Before introducing SDRAM circuit design, let's first understand the addressing principle of SDRAM. SDRAM has a storage array inside, which can be imagined as a table. Just like the retrieval principl...[Details]
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0 Introduction
The cement production process is a physical and chemical reaction process with the characteristics of large inertia, pure lag, and nonlinearity. The system operation conditi...[Details]
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Activation myth of new batteries: New batteries should be activated by cyclic charge and discharge.
The truth: To be precise, the above statement is not a rumor. There is a time difference betw...[Details]
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S3C44B0 UART baud rate calculation formula
MCLK is the main frequency, here it is 60MHz
UBRDIVn (also called divisor) = ( (int)(MCLK / (bps * 16) + 0.5) – 1 )
MCLK = Fout = Fpllo
Bps = 1200, 96...[Details]
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1: Download the source file
(1): alsa-lib-1.0.26.tar.bz2
(2): alsa-utils-1.0.26.tar.bz2
2: Unzip the above two files to the same folder.
3: Write the configuration script as fo...[Details]
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Application technology based on experimental research. Mainly studies the performance of various insulating media under high voltage and different types of discharge phenomena, insulation structure...[Details]
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