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Problem description: Use STM32 cube to generate usart2 DMA direct mode (not using FIFO, normal mode, STM32f407) configuration code. usart2 can use blocking mode to send, but using DMA to send can o...[Details]
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Power supply is an indispensable instrument in various electronic devices. With the advancement of science and technology, electronic devices are gradually integrated and complicated, and higher requi...[Details]
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According to Jiwei.com on January 12, the well-known digital blogger @数码闲聊站 published an article today talking about the situation of the under-screen camera. @Digital Chat Station said that regardin...[Details]
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"Does Huawei still have a chance?" This is a question that industry insiders are very concerned about. With the ban on Huawei's mobile phone chips, Huawei's smartphone shipments have plummeted to the...[Details]
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Key circuit: Commonly used non-encoded keyboards, each key is a normally open switch circuit.
Key debounce :
The switch used for the common keys is a mechanical elastic switch. When the mech...[Details]
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First, in the previous example, add the dma.c file to the dev folder, and then add it to the Makefile in that directory:
This is the framework. Next, open dma.c to implement it:
...[Details]
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China Energy Storage Network News:
On April 20, employees of Shaanxi Baoji Power Supply Company came to Yujianbao Village, Jintai District to help check the operation of the charging faciliti...[Details]
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For a long time, the anti-interference of computer systems has been an important issue of concern to people, because computers are used more and more widely, and reliability is becoming more and mo...[Details]
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In the process of high-frequency switching power supply design, development, debugging and acceptance, many parameters need to be tested, which requires many measuring instruments and their accesso...[Details]
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In electronic test and measurement, signal sources are often required to generate signals that are only present if they are provided externally. Signal sources can provide a "known good" sig...[Details]
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Modules integrate intelligent features and are smaller in size, simplifying power delivery for next-generation servers and telecom systems
In the power supply applications of next-generation serv...[Details]
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On May 19, Yongjiang Laboratory (Zhejiang Provincial Laboratory of New Materials) was unveiled. According to Ningbo Evening News, the Yongjiang Laboratory is located in Zhenhai New Materials Town, ...[Details]
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Xiaomi POCO announced that it will release POCO F2 Pro on May 12. 91Mobile has received exclusive information that Xiaomi POCO F2 Pro offers 6GB+128GB and 8GB+256GB storage options, and the 128GB ver...[Details]
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Keynesianism's famous "underconsumption crisis theory" has greatly promoted economic development worldwide, but it has also caused an exponential increase in resource consumption. Sustainable dev...[Details]
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As the fourth generation of light source, LED is a semiconductor lighting with many advantages such as energy saving, long life and no secondary pollution. Its application scope has gradually e...[Details]
DIY/Open Source Hardware
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