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1. Enable GPIO clock: RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState); Parameter Description: For example: 2. Set GPIO parameters: output OR input, working mode, port...[Details]
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This solution is a simple test for switching power supplies with an input of AC220V and a power output between 5W and 500W without a PFC circuit.
Materials needed: AC voltage regulator 0-300VA...[Details]
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Zoss Industry Research recently released the "2019-2020 V2X and Vehicle-Road Collaboration Industry Research Report". The V2X industry, spawned by the networking of automobiles, has become an impo...[Details]
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Direct Digital Synthesis (DDS) is a new type of frequency synthesis technology with outstanding advantages such as high frequency resolution and fast switching speed. It is widely used in arbitrar...[Details]
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On April 12, Zhongwei Co., Ltd. released its first quarter 2022 performance forecast, stating that the net profit attributable to shareholders of the listed company was 248 million yuan, a year-on-...[Details]
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Apple wants to make iPhone and iPad screens better at recognizing touches and gestures even when they're wet or humid, and now a newly granted patent shows that Apple is working on how to comp...[Details]
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Introduction: Based on the analysis of the working characteristics of the parallel printing interface, this paper designs a parallel port data acquisition system with 51 single-chip microcomputer as ...[Details]
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Last weekend, Huawei released Hongmeng OS at the HDC Developer Conference. What many people are most looking forward to is that Hongmeng will be used on Huawei phones, but Huawei officials do not pla...[Details]
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Zuosi Auto R&D released the "2023 Passenger Car Brake-by-Wire Industry Research Report", which summarized the size of the passenger car brake-by-wire market, OEM installation status, and supplier pro...[Details]
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During the 2019 World Computer Conference, the Changsha Municipal Government and Huawei signed a Kunpeng Industry Cooperation Framework Agreement. The Xiangjiang New District and Huawei signed a coop...[Details]
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Recently, I have come into contact with some friends who use pulse
power supplies
. I found that when they need square wave output, they use
full bridge
plus transformer, and th...[Details]
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On November 20-21, the "2019 China Safety Industry Conference and the 3rd Traffic Safety Industry Summit" hosted by Cheyun.com and co-organized by Electric State was held in Foshan City, Guangdong Pr...[Details]
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1. Introduction
In modern industrial control systems, the comprehensive application of PLC and frequency converter is the most common. The more traditional application is generally to use the ...[Details]
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When you change the fuse configuration of the AVR and re-power on, and then try to use ISP to download, the prompt "Failed to enter programming mode" appears, etc. It is very likely that you have m...[Details]
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The principle of optical mouse
The optical mouse integrates modern high-resolution imaging technology and digital image processing technology. It is a major invention in mouse technolo...[Details]
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