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Serial port DMA receiving: The process of receiving data: The serial port receive DMA is turned on during initialization and is always waiting for data to arrive. There is no need to do anything...[Details]
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According to Korean media reports, market research firm UBIResearch predicted in a report on October 28 that shipments of foldable OLED panels will reach 8.9 million units in 2021. By 2025, sh...[Details]
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On March 24, GCL Integration announced that the total amount of funds to be raised from the issuance to specific objects is expected to be no more than RMB 600,000.00 million (including the principal ...[Details]
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When Huawei P30 pro was first released, it attracted great attention from all walks of life due to its camera function, which is one of the best in the market. The product itself can achieve 5x optic...[Details]
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Full range of transistor application parameters
Name Package Polarity Function Withstand Voltage Current Power Frequency Paired Tube
2N2369 4A NPN Switch 40V 0.5A 0.3W 800MHZ
2N290...[Details]
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HarmonyOS has been the focus of the industry since its birth, and the HarmonyOS Connect brand upgrade plan released on May 18 is no exception. Just when everyone was curious about the effect of this ...[Details]
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Common fault 1: When the battery voltage is normal and the ground resistance is measured, the measurement data is inaccurate and the error is large. Cause: This fault is usually caused by a fault in ...[Details]
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This is my first time to hand solder patches, and I am just getting started. I was lucky enough to succeed, so I would like to share some of my insignificant experience with you. Welding tool prepa...[Details]
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Power integrity measurement objects and measurement contents PI (Power Integrity) used to be a topic of signal integrity analysis, but because PI is complex and critical enough, it has now been ...[Details]
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It is reported that Cedar Lane Technologies (hereinafter referred to as "Cedar Lane") recently filed a patent infringement lawsuit against Huawei in the Eastern District of Texas, claiming that Huawe...[Details]
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1. The detection surface is not parallel to the bottom surface. The sound wave is scattered when it encounters the bottom surface, and the probe cannot receive the bottom wave signal.
2. Castings and...[Details]
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According to foreign media techpowerup, Kingston announced on October 6 that its two DDR5 UDIMMS desktop memory sticks have passed Intel Platform Validation, an important milestone that means it...[Details]
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Lenovo announced its first quarterly results for the 19/20 fiscal year. From the data, revenue and profit have achieved double growth, which is a good start. At the financial report communication mee...[Details]
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According to an official email received by netizens from Apple, the delivery of their green version of iPhone 13 was delayed due to the epidemic. Apple's email stated, "Due to government COV...[Details]
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Figure (a) is a Buck-Boost circuit, which is a buck-boost hybrid circuit. Its output voltage can be less than the input voltage Ud or greater than the input voltage, and the output voltage polarity i...[Details]