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Recently, a ARM7+uClinux project needs to use a timer, but the timing accuracy requirement is not very high. So I thought of the LibRT library. The POSIX 100b.3 standard timer and message queue inter...[Details]
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On July 28, Shaanxi Xixian New Area Airport New City, China Steel Research Institute, and Guohong Zhongjing jointly signed an investment agreement on two projects: silicon carbide semiconductor new m...[Details]
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Ping An Technology is the technical core of Ping An Group. The security products it develops are of great significance and value to maintaining Ping An Group's insurance, banking, investment, and Int...[Details]
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The latest forecast from market research firm Canalys shows that global smartphone shipments this year will drop 10.7% from 2019. However, as mobile phone manufacturers continue to launch new phones,...[Details]
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Recently, Tianfeng International analyst Ming-Chi Kuo said in a report that the iPhone 9 will use a 7-megapixel rear single camera, which will be the biggest shrinkage of the iPhone 9. Apple'...[Details]
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0 Introduction During the spiral charging process, bubbles often appear in the medicine due to the uneven temperature distribution of the internal medicine, which seriously affects the quality of ...[Details]
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1 Basic Concepts of Network Analysis 1.1 Differences between linear devices/systems and nonlinear devices/systems In the process of processing input signals, many devices/systems have linear and...[Details]
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Second quarter net revenue of $2.17 billion; gross profit margin of 38.2%; operating profit margin of 9.0%; net profit of $160 million Net revenue in the first half of the year was $4.25 billion; gro...[Details]
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On May 18, 2023, the opening ceremony of the Nidec Motion Control and Drive Division Asia R&D Center (NMCG) was successfully held at the Xinglian ERE Technology Park in Sanlong Bay, Nanhai District, ...[Details]
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Since the second half of last year, chip shortages have become the main theme of the industry. While pushing up factory capacity utilization, it has also accelerated the pace of factory and productio...[Details]
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There are many types of LED automotive lighting, which are mainly divided into two categories: internal lighting and external lighting. Before introducing the solution, we need to clearly know what au...[Details]
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The past year of 2016 was a year of lively collisions in the technical routes of bus batteries: regarding which of lithium iron phosphate and ternary batteries is more suitable for buses, the "suspen...[Details]
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Chapter 1 is just an introduction~~ From now on, I can really enter RAM~~ Mainly interrupt control~~ You know~~ Today we mainly use external interrupts~~ 2. Interrupt Control Programming II. (01) Int...[Details]
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On April 1, the Operation Monitoring and Coordination Bureau of the Ministry of Industry and Information Technology announced the operating conditions of the electronic information manufacturing indu...[Details]
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Recently, Wuhan Municipal Bureau of Economics and Information Technology announced the results of the 2024 unicorn enterprise certification. 44 enterprises in the city were selected, of which 31 were ...[Details]