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u-boot stage lowlevel_init calls the following function to implement putc, but does not support printf spl_config_uart_baudrate uart_asm_init asm_putc board_init_f calls the following fun...[Details]

Last year, the semiconductor sector soared due to the increased demand for smartphones, automobiles and game consoles during the epidemic. Although semiconductor stocks have stopped growing at a high...[Details]

During the epidemic, Cloud Maintenance and After-sales Service Management Software helps enterprises to manage after-sales maintenance services uninterruptedly, achieving a double increase in custome...[Details]

1. Introduction With the continuous development of science and technology and the continuous enrichment of material life, various household appliances have become an indispensable part of people's da...[Details]

    Removing fog from videos and improving image quality is a key technology to enhance the value of outdoor video surveillance systems. This paper analyzes defogging technology by establishing a rela...[Details]

RF filters have always been an important component of mobile devices, and in the 5G era, they are key to unlocking the high bandwidth that will drive many 5G use cases. Top-of-the-line 4G/LTE mobil...[Details]

For traditional industrial enterprises that need to improve quality and efficiency, one question that cannot be avoided is - "Where to find the most suitable technology and solutions?" Industrial gia...[Details]

Definition and Content of Cyber ​​Security In the past two years, with the increasing maturity of new energy vehicle technology and the gradual improvement of intelligent network technology, variou...[Details]

      As we all know, the more advanced the chip process, the higher the density of transistors inside the chip, and the better performance and functions per unit area. According to foreign media rep...[Details]

The use of batteries has lasted for more than a hundred years. The performance of batteries directly affects the service life and safety of electronic products, and the performance of chargers direct...[Details]

With the success in the fast charging market, gallium nitride (GaN) is no longer satisfied with sticking to a single field, but is challenging other broad markets occupied by MOSFET, and motor driv...[Details]

The U.S. Patent and Trademark Office recently announced several of Apple's latest patents, including three patents related to battery technology, which can extend battery life, increase battery capac...[Details]

Xiaomi announced today that it will launch the Xiaomi Box 4S Pro, priced at 399 yuan, and reservations will start at 0:00 on November 5. Xiaomi Box 4S Pro is an upgraded version of Xiaomi Box 4S. Fro...[Details]

1 Overview During the smelting process of a DC steelmaking arc furnace, the initial melting, smelting, oxidation and reduction stages have different requirements for the power supply system (i...[Details]

On October 26, the JinkoSolar Hainan 200,000-kilowatt integrated source-grid-load-storage project undertaken by China Energy Construction Jiangsu Electric Power Construction No. 1 Company was conne...[Details]