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While Shanghai is suffering from the epidemic, an interesting scene is quietly happening.
"Please move aside. Please take precautions during the epidemic." In the lobby on the first floor of t...[Details]
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First find the circuit diagram of the board, taking LED as an example Next is the circuit's network label: Find the register description in the corresponding chip manual The LED light is opera...[Details]
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On September 6, Jingsong Intelligent announced that it had received the "Notice of Winning Bid" from General Tire Technology (Cambodia) Co., Ltd. The winning projects were the automated finished ...[Details]
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0 Introduction
二极管中点箝位型逆变器 是最近研究的一个热点。这种拓扑结构，每个功率开关管承受的最大电压为直流侧电压的1/2，另外，由于相电压有三种电平状态，比传统的二电平逆变器多了一个电平，因此输出波形质量高。因而这种结构变换器在高性能、中高电压的变频调速，有源电力滤波装置和电力系统无功补偿等领域有着广泛的应用。但是，这种变换器采用两个电容串联来产生三个...[Details]
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According to the data in the "China Photovoltaic Industry Development Roadmap" (2016 edition) released by the China Electronics Information Department and the China Photovoltaic Industry Associatio...[Details]
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The interrupt service routine in main.c is initialized: void Isr_Init(void);
the sub-function is: void Isr_Init(void)
{
pISR_UNDEF=(unsigned)HaltUndef;
pISR_SWI =(unsigned)HaltSwi;
pISR_PABORT...[Details]
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It may be a bit difficult for people who are new to preemptive priority and response priority to learn the interrupt priority of STM32. Here is an introduction to the priority:
An interrupt with a hi...[Details]
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Recently, according to news reports, we learned that the current solid-state battery technology has made the latest progress. According to Chen Jun, deputy to the National People's Congress, vice pre...[Details]
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In recent years, with the enhancement of people's health awareness, the expansion of the sub-healthy, elderly Chinese, business travel and office groups, and the continuous updating and upgrading o...[Details]
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According to Engineer Chen who works on the instrument line, the installation and calibration methods of the oscilloscope probe are as follows:
During the production, debugging and maintenance proces...[Details]
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Recently, an announcement with the official seal of Canon Zhuhai Co., Ltd. circulated online, stating that it had decided to "terminate the company's production." Zhuhai High-tech Zone confirmed to m...[Details]
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1 Introduction
LCD is a passive light-emitting device, which does not emit light by itself, so a backlight module is required to provide light for LCD. The light sources used as backl...[Details]
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Touch screen technology overview Touch screen is a mature technology, the most basic and most commonly used is the 4/5-wire resistive touch screen. Many standard screens support multiple sizes, a...[Details]
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A digital water temperature control valve based on PIC16C71 single chip microcomputer is designed. The control valve uses NTC thermistor as temperature sensor, and a simple voltage divider circuit is...[Details]
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It is precisely because of the contributions of these companies that the traditional energy-using process has begun to consider the use of electricity. In the past, we used oil and coal, so how could ...[Details]
Test/Measurement
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