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With the popularity of electric vehicles, charging piles, as an important infrastructure for electric vehicles, have attracted more and more attention. However, for many electric vehicle users, the...[Details]

    The reason why we need to talk about this tick timer is because it is very special. The stm32 timer has both internal and external timers, and the tick timer is in the cortex core. If you underst...[Details]

On May 12, Pu Hong, secretary of the municipal party committee, led a team to visit Beijing Green Vanadium New Energy Technology Co., Ltd. and held discussions with the company's CEO and director of t...[Details]

Note: Modify F4 to stm32f4xx.h/system_stm32f4xx.c, modify F3 to stm32f10x.h/system_stm32f10x.c One of the modifications: HSE_VALUE in stm32f4xx.h, the system uses an external 8M crystal oscillator ...[Details]

At the two sessions this year, State Grid Corporation of China proposed the strategic goal of "three types, two networks, and world-class", that is, aiming at world-class, building hub-type, platfo...[Details]

introduction Since the 1990s, with the continuous reduction of the feature line width of integrated circuits and the corresponding increase in chip density and operating frequency, reducing power con...[Details]

The signal preprocessing module mainly includes a fourth-order low-pass filter circuit and a synchronous square wave conversion circuit. According to the national requirements for harmonic measurin...[Details]

Circuit principle: Switching is selection in principle. There are many ways to select. The simplest way is to connect the signal lines directly together, such as the wiring board. The output signa...[Details]

There have been reports that the new iPhone may support handwriting input. Now it seems that Apple is working hard to promote the launch of this new feature. According to the latest news, Apple is ve...[Details]

The continued growth of power electronics in our homes, offices, and vehicles is driving a trend toward new materials and more efficient power components. High-power, high-temperature applications ...[Details]

China has begun to look for talents for Tandem OLED, a new generation of OLED technology that has attracted much attention. South Korea is very worried that China will catch up with South Korea in te...[Details]

1. Introduction After years of development, the Automatic Switched Optical Network (ASON) technology has been continuously accumulating and improving. For most domestic operators, the traditional t...[Details]

According to Nan Fang Daily, two former engineers of ZTE Corporation, Huang Mouyu and Wang Mou, were sentenced for suspected infringement of trade secrets. This case is the first criminal case of int...[Details]

Summer is here, the weather is getting hotter and hotter, and most people will turn on the air conditioner when they drive on the road. At the same time, summer is also the peak period for car air co...[Details]

According to news on September 3, the HarmonyOS operating system is an operating system independently developed by Huawei. It was first unveiled at the Huawei Developer Conference on August 9, 2019. ...[Details]