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On December 21, the "Answer Me 2020: Tencent Fengyun Lecture and 2019 Economic Annual Meeting" hosted by Tencent and co-hosted by Peking University Guanghua School of Management was held in Beijing. ...[Details]
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0 Overview
Frequency measurement is one of the most basic measurements in electronic measurement. With the development of electronic science and technology, the accuracy requirements for signal fre...[Details]
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After the development stages of technical verification and concept car demonstration in recent years, LED headlights have finally ushered in the prospect of being applied to mass-produced cars. The...[Details]
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Simple frequency converters can only adjust the speed of AC motors. It can be open-loop or closed-loop depending on the control method and frequency converter. This is the traditional V/F control m...[Details]
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Manchester, NH, USA –
Allegro MicroSystems (Allegro), a global leader in sensing technology and power semiconductor solutions for motion control and energy-efficient systems, introduced new ind...[Details]
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In the above blog, the author introduced how to set the default role in RBAC. Here I will introduce how to use custom Role. The main contents are: 1. Understand Action and NotAction in ...[Details]
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There are AM and FM bands on general radios or tape recorders. I believe everyone is familiar with them. These two bands are used for you to listen to domestic broadcasts. If there is also an SW b...[Details]
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Homemade dual-purpose voltage-stabilized power supply circuit for maintenance and charging
For most home appliance repair personnel, a repair power supply is essential, but a professional rep...[Details]
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Configuration of syntax coloring of ultraedit
A good text editor is really good for programming
Except for the editors of integrated development environment (most of the editors of integrated deve...[Details]
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An interruption means that when the CPU is executing a program, it encounters an abnormal situation that needs to be handled. The CPU stops the current program, saves the necessary parameters of the ...[Details]
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In the internal data memory of the 80C51 microcontroller, 20H~2FH is the bit operation area, in which each bit has its own bit address, and each bit can be operated. The bit address space is 00H~07FH,...[Details]
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A familiar piece of music~~ Rihanna~~My cell phone ringtone~~ Today is the real-time clock (RTC)~~ I have decided~~ After finishing the ARM7 data, I will not sort out these data anymore~~ There are s...[Details]
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Nowadays, environmental pollution has become the biggest problem facing our country. In the process of operation of some industrial equipment, a lot of sewage is often discharged. If these sewage c...[Details]
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STMicroelectronics, a global semiconductor leader serving customers across multiple electronics applications, is collaborating with maxon, a world-leading precision motor manufacturer and member of t...[Details]
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The two 74hc573 chips in the digital tube module, one latches the segment code and the other latches the bit code, so that the 8-bit digital tube can be driven. 74hc573 is a latch, and when used for ...[Details]