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1. LED power supplies can be divided into two categories according to the driving method:
A. Constant current type:
1. Constant current drive circuit is ideal for driving LED , but the disa...[Details]
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Read count: 39 TIM1 and TIM8 can generate dead zone complementary PWM waves. After learning, I found that the timer function of stm32 is really powerful. A small summary is convenient for reference...[Details]
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Recently, the MLPerf organization announced a series of test results. NVIDIA won all tests in all six application areas for data centers and edge computing systems in the second version of MLPerf Inf...[Details]
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0 Introduction
ZigBee technology is a short-range, low-rate wireless communication technology with unified technical standards. Its physical layer and media access control layer protocols ...[Details]
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The WK-4 electric shovel has a fault in which the AC contactor KM3 and KM4 coils are burned due to misoperation. The partial control wiring diagram of the electric shovel is shown in the figure abo...[Details]
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In 2020, a new round of power system reform entered its fifth year. In accordance with my country's goal of establishing a market system reform with "laws to rely on, separation of government and e...[Details]
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A digital oscilloscope has two basic functions: signal acquisition and signal analysis. During the acquisition of signal samples, the acquired signal is stored in the memory; during signal analysis, ...[Details]
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u-boot transplantation: Transplantation is a complicated process, and there are too many things involved. Initially, you should focus on mastering ideas and methods, being able to compile, and imple...[Details]
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1. Use the capacitance file to measure directly Some digital multimeters have the function of measuring capacitance, and their ranges are divided into five ranges: 2000p, 20n, 200n, 2μ and 20μ. When ...[Details]
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Haichen Energy Storage announced that it has reached a cooperation agreement with FlexGen, a US energy storage technology provider and system integrator. According to the agreement, Haichen Energy ...[Details]
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When you first buy the latest smartphone, you may be very happy to have a phone that can work normally throughout the day without additional charging. However, two years later, you may encounter th...[Details]
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1. Explanation of influencing factors a. Magnetism of base metal The magnetic thickness measurement is affected by the change of magnetism of base metal (in practical application, the change of magn...[Details]
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Air conditioners have entered thousands of households. As the user interface of air conditioners, the design principle of air conditioner remote controllers has been mature. At present, a lot of wo...[Details]
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Transistor detection method and experience 1. Detection of medium and low power transistors A: For a transistor with a known model and pin arrangement, its performance can be judged by the following ...[Details]
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When songs and legends have fallen silent, architecture is still "speaking". Architecture spans history, bringing people endless charm and historical vicissitudes. Many people hope to become a great...[Details]
Microcontroller MCU
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