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0 Introduction
The 3-35kV power supply network of coal mines mostly adopts the operation mode of ungrounded neutral point or grounding (resonant grounding) through arc suppression coil, which i...[Details]
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The μC/OS-II operating system is a preemptive multitasking, single memory space, tiny kernel embedded operating system with the characteristics of high efficiency and compactness. It has high execu...[Details]
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9.
Low power
9.1.
Low Power Mode
After a system or power reset, the microcontroller is in normal mode, and the system clock is the 256KHz internal RC oscillator output...[Details]
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unsigned char Trg; unsigned char Cont; void KeyRead( void ) { unsigned char ReadData = PIN B^0xff; // 1 Trg = ReadData & (ReadData ^ Cont); // 2 Cont = ReadData; // 3 } The following is a p...[Details]
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With the boom in smartphones, Internet of Things (IoT), industrial automation, smart home automation systems, and more, the demand for the internet has also grown exponentially. The technology has ...[Details]
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As a basic measuring instrument, the oscilloscope plays a vital role in scientific research and design. Nowadays, the oscilloscope has become an indispensable member of the electronic laboratory of co...[Details]
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All kinds of expectations, speculations, and doubts have all been answered today! The conference has not yet ended, and the news of the open source of HarmonyOS 2.0 has been hotly discussed among dev...[Details]
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On February 7, State Grid Corporation of China issued 12 measures to respond to the impact of the epidemic, resume construction and promote the resumption of work and production of enterprises. It ...[Details]
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The car instrument panel is mainly composed of MCU controller, memory, audio DAC, controller and transceiver.
In the automobile instrument system, physical parameters such as engine temp...[Details]
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There are a variety of software packages that allow
stereo sound cards in
personal
computers
(PCs) to provide
oscilloscope
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like
displays
, but the low sampling rate, high-res...[Details]
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Infineon Technologies AG, the global semiconductor leader in power systems and the Internet of Things, and Wolfspeed, the global leader in silicon carbide technology, recently announced expansion An...[Details]
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With the popularity of cars, road violations have also increased. How to monitor and regulate drivers to drive legally has become a problem, especially on roads without cameras. It is difficult to ho...[Details]
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What do we base our decisions on when choosing a mixer? How do we know whether a mixer meets our requirements? Today we will introduce the technical indicators of mixers to help you identify the qu...[Details]
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1. Detection method for LED display maintenance 1. Short circuit detection method: adjust the multimeter to the short circuit detection position (usually with an alarm function, such as a beep if it...[Details]
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The most widely used scenario of inductors is power supply. Both boost circuits and buck circuits require an inductor to store and release energy. Many novice friends are too familiar with the prin...[Details]
PCB Design
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