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The time slice polling method is mentioned in many books, and it often appears together with the operating system, that is, it is often used in the operating system. However, the time slice polling m...[Details]

On February 28, the State Council’s Joint Prevention and Control Mechanism held a press conference. Vice Minister of Education Weng Tiehui stated at the meeting that while ensuring the quality of pos...[Details]

       Frequency domain (frequency domain) - the independent variable is frequency, that is, the horizontal axis is frequency and the vertical axis is the amplitude of the frequency signal , which is ...[Details]

The global application of digital TV allows consumers to experience high resolution that was not available on CRT TVs. LCD TVs are the next generation of home appliances that take advantage of di...[Details]

Single pin pull-up resistor type RC oscillator The following is an RC oscillator circuit with an external pull-up resistor. Explanation 1. The oscillation resistor ROSC forms a system RC oscil...[Details]

I personally think that using the Yaffs2 file system on nandflash is a good solution, but the latest Linux does not support the Yaffs2 file system, and you need to patch the kernel yourself. Howeve...[Details]

China Energy Storage Network: The concept of "blockchain" has become increasingly popular around the world this year, but it is still difficult to see a blockchain technology being frequently...[Details]

Jimi IoT LL710 asset tracker uses Nordic’s nRF9160 SiP to extend GNSS tracking and cellular connection time Oslo, Norway – July 6, 2023 – Shenzhen IoT technology company Jimi IoT...[Details]

1. Introduction The instrument control system of the synthetic rubber coagulation unit of Yanshan Petrochemical Company was originally composed of conventional instruments, all of which we...[Details]

01 The AI ​​war is on again. Amazon invested in OpenAI's biggest competitor and fought ChatGPT for $4 billion Generative AI is in a frenzy, and the big model track is overcrowded. Who woul...[Details]

After solving technical problems such as the defects of the battery stack and the commissioning of the power station, the vanadium battery energy storage industry of China Pingmei Shenma Group has ent...[Details]

OTDR, whose Chinese name is: Optical Time Domain Reflectometer, is a commonly used fiber optic testing tool. Here O stands for Optical, TD stands for Time Domain, and R stands for Reflectometer. We k...[Details]

On September 13, the Alxa Energy Storage and Industrial Chain Equipment Manufacturing Demonstration Project Investment Cooperation Signing Ceremony was held in the Alxa High-tech Zone. The signing of ...[Details]

Infrared light sources and their applications in security monitoring With the development of optoelectronic information technology, infrared solid-state light-emitting devices have evolved from tra...[Details]

In the design of the driver, we may use flush_cache_all to flush the contents of the ARM cache to the RAM, because the cache in ARM Linux is generally set to write back. Usually, DMA cannot access ...[Details]