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Remote control keys (RKE) bring people a good user experience and meet people's requirements for convenience and comfort. However, due to the technical limitations of its radio frequency one-way co...[Details]
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On March 29, the Science and Technology and Economic Committee of Shanghai Pudong New Area issued the "Notice on the Application for Financial Support Projects to Promote Innovation and Entrepreneurs...[Details]
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On March 24, State Grid issued the "Opinions on Further Supporting and Promoting the Reform of Incremental Distribution Business" (hereinafter referred to as the "Opinions"), proposing to support, ...[Details]
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environment: Host: WIN7 Development environment: MDK4.23 MCU:STM32F103CBT6 illustrate: STM32 has 20 external interrupt lines, of which EXTI0-EXTI15 are used for I/O ports EXTI line 16 is connected ...[Details]
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On January 12, the Honghao semiconductor equipment development project was signed at the Nanhai District Investment Promotion Center in Foshan City. Nanhai released news that the project plans to i...[Details]
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Core Tip : With the advent of an aging society, the issue of caring for elderly people living alone has received increasing attention. Therefore, researchers have used microcontrollers (MCUs) wit...[Details]
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The role of the isolation transformer
Some people who listen to music often add an isolation transformer with a large power capacity to the power supply, such as HP's SKVA or ...[Details]
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In order to improve spectrum utilization, Dr. Mitola of the Royal Swedish Academy proposed cognitive radio technology, which can automatically detect the surrounding spectrum environment and effectiv...[Details]
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BGA welding technology
As the size of mobile phones becomes smaller and smaller, the internal integration level is also getting higher and higher, and almost all mobile phones now use b...[Details]
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5G is no longer just a promise—it’s a very real, massive market, even if its implementation is still in its infancy. Two examples from 2019 showed that 5G deployment is becoming a reality. One was Ve...[Details]
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The following is a matrix keyboard program for the stc89c52 microcontroller. The keyboard is connected to port P0 and displayed on port P2. #include reg52.h #define uchar unsigned char #d...[Details]
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LED is known as the "fourth generation of green lighting" and has been gradually applied to telecommunications, transportation, agriculture, medicine, military and other fields. LED (Light-emitting...[Details]
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International Energy
News: Xiamen Kehua Hengsheng Co., Ltd. (002335, Stock Bar) has successfully selected its "High-power Solar Photovoltaic Grid-connected Inverter SPI100K, SPI250K, SPI500K" p...[Details]
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The sky over Ukraine has been bombarded with artillery fire for six days. On February 28, the highest price of London Brent crude oil futures exceeded $100 per barrel. During the next oil price adj...[Details]
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The inverter is a power electronic device widely used in the field of industrial automation. Its main function is to convert the input AC power into AC power with adjustable frequency to achieve sp...[Details]
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