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The quickest and easiest way to improve the test efficiency of LED power supply is to choose the appropriate electronic load. If you are not familiar with the knowledge of electronic load, or if ...[Details]
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During the normal operation of the motor, if one phase fuse is blown or one phase is disconnected for some reason, the power supply changes from three phases to single phase, and the stator magneti...[Details]
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1. Identify the iron core of common power transformers from the appearance. There are two types: E-shaped and C-shaped. The E-shaped iron core transformer has a shell structure (iron core wrapped with...[Details]
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On January 10, Yibin held a signing ceremony for new energy storage projects. 35 projects were signed, including CRRC Times Electric and Datang Sichuan, with a total investment of 13.2 billion yuan. T...[Details]
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The alarm circuit of the intelligent anti-theft system uses a simple and efficient triode amplifier circuit, connected to a buzzer or a high-power alarm bell of more than 100 dB. The video monitoring...[Details]
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Env is a small KV database that supports write balancing (wear balancing) and power-off protection mode. Transform Flash into a small key-value storage database of the NoSQL (non-relational database)...[Details]
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The minimum system of the single-chip microcomputer is mainly composed of power supply, reset, oscillation circuit and expansion part. The minimum system schematic is shown in the figure.
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With the popularity of smartphones and tablets and the high power consumption that comes with them, the batteries of such devices can only last for one day of use. More and more occasions and devic...[Details]
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I have been engaged in RF system testing for some time. After engineering testing practice, I have summarized the use of spectrum analyzers. Spectrum analyzers can be used to measure and display the ...[Details]
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There have been many important advances in various rubber processing technologies. Compounding efficiency has improved significantly, but there is still a scrap rate of about 1%. Although 1% scrap may...[Details]
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Preparation:
1. Download the latest OS porting data on stm32 from the micrium official website. The download address is: http://micrium.com/download/Micrium-ARM-OS-II-Cortex-M3.exe
2. Platform con...[Details]
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So far, only a small number of selected customers have received preliminary information about LitePoint's latest product. To meet the PHY test requirements of 2G, 3G and the most advanced 4G cellul...[Details]
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1. What is the trigger mode of an oscilloscope? The "triggering" of an oscilloscope is to synchronize the scanning of the oscilloscope with the observed signal, so as to display a stable waveform. Di...[Details]
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Insulating oil withstand voltage tester with voice coil module. As we all know, insulating oil is a synthetic liquid insulating material, referred to as synthetic oil. Since mineral insulating oil is...[Details]
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【First, let's distinguish two concepts: interrupt and exception. Interrupt is a type of exception. Take the 2440 development board as an example. It has more than 60 interrupt sources, such as from...[Details]
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