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#include stm32f10x.h //----------------------------------------------------------------------------- void mydelay_ms(int ms) { volatile int i; int k = ms * 2333 ; for ( i=0; i k; i...[Details]
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1. In actual applications, although the RA0 input is always high, the I/O port detection is always low. Found a solution to the problem online Link: http://bbs.21ic.com/icview-85731-1-1.html ...[Details]
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1 Background In principle, the luminescence phenomenon of semiconductor devices can be roughly divided into three types: photoluminescence, electroluminescence, and cathode ray luminescence. Th...[Details]
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According to digitimes, the US Department of Commerce's "sanctions" on Huawei have had a significant impact on Taiwan's substrate supply chain. Although the three major manufacturers, Xinxing, Nandia...[Details]
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We often encounter audio signal acquisition and processing in projects. Today we will make a simplest audio acquisition module. Its circuit is actually an improvement on the transistor amplifier circ...[Details]
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Bosch is developing a new head-up display (HUD) technology that will allow drivers to receive text messages or get driving directions from the navigation system. Bosch will launch a micro device equi...[Details]
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On June 11, the results of the second review meeting of the Science and Technology Innovation Board Listing Committee were released. Fujian Fuguan Co., Ltd., Yantai Ruichuang Micro-Nano Technology Co...[Details]
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Information shows that recently, Beijing Xiaomi Mobile Software Co., Ltd. obtained the "smart bracelet" appearance patent authorization. The abstract shows that this appearance design product is used...[Details]
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Monitoring systems can be seen everywhere. As we all know, with the continuous development of modern social economy, people's living standards are constantly improving, and tourist attractions are...[Details]
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On April 16, according to OpenHarmony, the first OpenAtom OpenHarmony ("OpenHarmony") open source developer growth plan has been launched since October 24, 2021. It has lasted for more than 5 months...[Details]
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When using a DC resistance tester to perform a DC resistance test on site, there are many factors that affect the test results, such as poor contact of the tap changer, temperature during the test,...[Details]
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Radar has been around for more than a century, first used by Christian Huelsmeyer in 1904 to detect ships. Common applications are military radar, civil air traffic control, and, of course, speed che...[Details]
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Introduction to motherboard sound card chip
The current motherboards are basically integrated with audio processing functions. According to a survey, more than 80% of users who install new ...[Details]
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On the evening of October 22, vivo held a special movie viewing event at the Meiga Cinema in Sanlitun, Beijing. The content shown at the event was not a theater movie, but a 4K short film shot by the...[Details]
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Recently, we received an antique airbag controller removed from a BMW by a netizen. The 03-08-14 on the label may be the production date. Was it produced on August 14, 2003? According to relevant...[Details]
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