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1. Experimental objectives and requirements Understand the basic principles and implementation methods of LED dot matrix display. Master the encoding of dot matrix Chinese character library and th...[Details]
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In general ARM programming teaching and experimental environments, the development environment of ADS plus parallel port to Jtag board + H-Jtag is generally used. But the biggest disadvantage of this...[Details]
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Introduction
The increasing application of electric motors has made the research on their drive control more and more a hot topic. With the widespread use of power VMOS devices and insulated ga...[Details]
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Televisions, laptops and tablets have been in high demand during the COVID-19 pandemic as people work and study via Zoom, socialize via Skype and watch Netflix for long hours to ease lockdown anxieti...[Details]
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Keysight Technologies has joined the 6G Flagship Group, led by the University of Oulu in Finland, to advance wireless technologies beyond 5G. The 6G Flagship Group currently includes experts from u...[Details]
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I have been engaged in virtual instrument technology for many years. Although I have been engaged in other work in the past two years, I have always been paying attention to the changes in this fie...[Details]
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The front-end converter consists of a single-phase Boost power factor corrector and a DC/DC asymmetrical half-bridge (Asymmetrical Half-Bridge, AHB) converter. The AHB converter circuit with an...[Details]
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Incremental encoders and absolute encoders are two common encoders in modern industrial applications. They have different characteristics in measuring physical quantities. Let's see what are the di...[Details]
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In the development of today's automotive electronic systems, the CAN bus, as the backbone of internal vehicle communications, carries the transmission of a large number of key signals. Ensuring the...[Details]
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Transformer overheat protection circuit
Figure 4 Transformer overheat protection circuit
Figure 4 is a transformer overheat protection circuit, R3=R4, NTC is a negative temperature coeffici...[Details]
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EMI (electromagnetic interference) and EMC (electromagnetic compatibility) are currently a very difficult, if not catastrophic, task for engineers. That’s because without the proper tools, it ...[Details]
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The electronic fuel injection control system is a system that uses an electronic control device as the control center. It uses various sensors installed on different parts of the engine to measure var...[Details]
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China Energy Storage Network News:
According to reports, in order to reduce carbon emissions, a group of Japanese technology and energy companies are launching a pilot project that aims to al...[Details]
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Mitsubishi FX series PLC is a very popular controller in the field of industrial automation, with high reliability and flexibility. In order to meet different application requirements, FX series PL...[Details]
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Here is a general method to check the problem of 8051 microcontroller board.
First, check the power supply. Experienced people will do this. When I was looking for a job, an interviewer asked me th...[Details]