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my country's urban lighting has developed rapidly along with the acceleration of my country's urbanization process. However, the energy demand and consumption in urban lighting development are als...[Details]
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Introduction
RF LAN devices such as cellular phones are becoming increasingly popular as consumer electronics products. Although the complexity and development trends of mobile phones hav...[Details]
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Huawei spent 1 billion pounds to build a research and development base near Cambridge, England, in 2018. It spent 37 million pounds just to buy the land, hoping to use it as its international headqua...[Details]
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During the operation of the inverter-driven motor, if the power supply voltage deviates from the rated value, the load condition is abnormal, the parameter setting is unreasonable, the inverter ope...[Details]
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1. Clock structure diagram Figure 1 On-chip clock structure 2. Clock Distribution There are three ways to provide clock sources for 5744, namely external active crystal oscillator, external passi...[Details]
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STM32 cannot perform JTAG simulation after disabling the JTAG function in the program.
In the program, the function that usually disables JTAG is as follows:
//Change the mapping of the speci...[Details]
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Vishay Siliconix's S121j o -48V to +5V or +3.3V converter designed for ISDN applications. Its included integrated ungrounded feedback error amplifier provides direct output voltage regulation. This a...[Details]
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In recent years, the new energy industry has developed rapidly. As of the end of September, the number of new energy vehicles in China reached 11.49 million, accounting for 3.65% of the total numbe...[Details]
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China Energy Storage Network News:
Cross-border
Infinite possibilities of production and life
To make electricity application simpler, electricity use smarter and service more ...[Details]
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Whenever John Ristevski, head of HERE's mapping department, appears on the road in his custom-made car, he always attracts a lot of attention. Everyone will stop and look closely at the roya...[Details]
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LED
manufacturers recommend controlling the forward current to keep the light emitting diode at the rated luminous flux and a specific color temperature. Given that the brightness of the LED is ...[Details]
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At HARTING, environmental protection and production have been developing together for many years. "Ecological responsibility is a fundamental part of our actions" is the motto of our corporate philos...[Details]
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Startup Process
Processor operating mode
Processor modes are divided into thread mode and processing mode; software execution is divided into privileged mode and non-privileged mode...[Details]
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1-3. Reversing series switching power supply 1-3-1. Working principle of reverse series switching power supply Figure 1-7 is another series switching power supply, generally called a reverse series s...[Details]
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TechInsights released the "Automotive Industry Outlook 2025" report, pointing out that the automotive industry will present several transformative trends next year, including the rise of electric v...[Details]
Mobile and portable
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