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I believe many of my friends have used mobile phones and pagers. In just a few decades, mobile communication networks have ushered in an era of rapid development. From paging, phone calls, and text m...[Details]
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Large-scale optimization of energy sources will effectively ensure a secure and sustainable supply of energy.
China Electric Power News: What issues are you concerned about at this year's Two ...[Details]
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introduction The emergence of excavators has freed humans from heavy physical labor. However, traditional excavators are complex to operate and require high skills from the operator. People have been...[Details]
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STM32, when using USB VCP function, that is, virtual serial port function, select USB_OTG_FS Device_Only, as shown above. cube automatically generates the project without modification. Insert the USB...[Details]
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This article mainly introduces the serial port of 51 single-chip microcomputer. Let's take a look at the registers related to the serial port.
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The ATmega128 microcontroller has a JTAG interface that complies with the IEEE 1149.1 standard. The JTAG interface implements three functions: using the boundary scan function to detect the chip, pro...[Details]
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Data centers
are the backbone of the network, providing data storage for Internet nodes and their databases, and providing strong support for every large company and organization. Th...[Details]
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Among the u-boot code selections, only 201009 is the latest u-boot version that can be compiled directly without memset.s. After blocking the call of lowlevel_init, I moved all the hardware initial...[Details]
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(1) Circuit Description
The circuit principle of the voltage regulator with automatic recovery function is shown in the figure below. When a short-circuit fault occurs in the load, the output...[Details]
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On April 20, Yichun Times New Energy Mining Co., Ltd., a subsidiary of CATL, successfully won the exploration rights of porcelain clay (including lithium) in Zhenkouli-Jianxiawo mining area of Yi...[Details]
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USB was jointly launched by Intel and other companies in 1994 and has successfully replaced serial and parallel ports since 1996. It has become a must-have interface for today's computers, mobile pho...[Details]
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This week, the three major A-share indexes showed a differentiated market, among which the Shanghai Composite Index and the Shenzhen Component Index both fell to varying degrees, while the ChiNext In...[Details]
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**PID control algorithm** is a control algorithm that combines the negative feedback signals provided by the three loops of proportional (P), integral (I) and differential (D) to correct system err...[Details]
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At present, the power supply of other circuits (such as control circuits, drive elements, etc.) of two-wire (no neutral input) electronic wall switches other than the power supply circuit mostly ad...[Details]
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I believe everyone has seen a digital tube. There are seven strokes abcdefg on the digital tube, which form the word "日", and usually there is a decimal point dp. Digital tubes come in different size...[Details]