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On May 11, Mijia's official Weibo account announced a new product: Mijia Faucet Water Purifier, which will start crowdfunding at Xiaomi Mall and Xiaomi Home at 10:00 on May 13. The crowdfunding...[Details]
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Sina Digital News reported in the early morning of June 8 that Apple held the WWDC Global Developers Conference today, and the health function launched three new detection systems to help you ...[Details]
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Current-mode control chip principle
Figure 1. Principle of current-mode control chip
As we all know, the current-mode control chip retains the output voltage feedback part of the volta...[Details]
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This year's iPhone 12 series has a total of four capacities: 64GB, 128GB, 256GB and 512GB. Judging from the situation at home and abroad, although only two models are currently on the market, the sal...[Details]
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The MAX9075/MAX9077 single/dual comparators are optimized for 3V and 5V single-supply systems. The propagation delay is 580ns, and each comparator consumes only 3µA. Due to the combination of low pow...[Details]
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Although mobile power banks are a must-have item for many people, most users may not know much about their internal structure. The author recently interviewed several mobile power bank manufactu...[Details]
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When using digital circuit to measure the patch, you can set the multimeter to the position marked with the diode logo, trim the tip of the test lead as sharp as possible, or add a thin and sharp met...[Details]
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According to the official website of the China Consumers Association, in a smart door lock test report, half of them posed fingerprint recognition security risks. With the popularity of smart home c...[Details]
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Texas Instruments announced that Haviv Ilan has been promoted to executive vice president and chief operating officer. Ilan, 52, has been with the company for more than 21 years, most recently leadin...[Details]
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The content in the exception vector table of cortex-M3 is not an instruction. The value at 0x00000000 (of course it may also be mapped to other ranges) is the value of the main stack pointer, and the ...[Details]
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1 Introduction
With the rapid development of high technology and its industry, battery energy systems with large storage capacity have been increasingly valued by people and have been widely us...[Details]
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In the field of Bluetooth headsets in recent years, the launch of Apple's third-generation AirPods has accelerated the popularity of true wireless Bluetooth headsets, making a series of wireless Blue...[Details]
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The ITU-T G.701 standard defines jitter as: "Jitter is the deviation of important instantaneous changes of a digital signal in a short period of time from its ideal position."
There is anot...[Details]
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In circuit development and testing, it is often necessary to display more channels than the existing oscilloscopes provide. A simple solution is to trigger several oscilloscopes in parallel. Howeve...[Details]
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Hardware platform: S3C6410
Operating system: Ubuntu, Windows
Board system: Android
Development tools: jdk, ndk, eclipse
本次測试从linux内核模块编译開始。以S3C6410的pwm驱动...[Details]
Embedded System
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