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Week 14 is still a discussion topic. The test of common components can be measured with professional instruments, but not all engineers have these special instruments at hand. You may not have noticed...[Details]
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The sales distribution statistics of LED products in major application fields in 2008 show that architectural landscape is the largest application field of LED in my country, accounting for 28...[Details]
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Apple recently released a new firmware update 1.0.301 for the AirTag item tracker, but did not specify what upgrades were included at the time. Today, Apple officially announced the update cont...[Details]
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Recently, the Jiangsu Regulatory Bureau disclosed the basic information table of the companies under guidance and filing in its jurisdiction. It shows that Nanjing Guobo Electronics Co., Ltd. (herein...[Details]
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Pointer multimeters are less commonly used nowadays. Digital multimeters are instantaneous sampling instruments. They take samples every 0.3 seconds to display the measurement results. Sometimes th...[Details]
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Related studies have found that the concentrations of a large number of biomarkers in sweat are correlated with the concentrations of corresponding circulating analytes in the blood. Therefore, con...[Details]
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In recent years, we can easily find a phenomenon that mobile phone manufacturers have begun to gradually expand their business, hoping to build a complete ecological environment with the help of diff...[Details]
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This article presents a systematic approach to calculating the DC error of a current-sense amplifier, discusses each error source, and presents a method for estimating the total error. Finally, the...[Details]
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As energy problems become increasingly serious, dimming technology has received more and more attention in lighting applications. At present, most dimmers are based on thyristors, which can work ve...[Details]
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The XC9128/XC9129 series is a step-up synchronous rectification DC/DC converter that can use ceramic capacitors, 0.2Ω built-in N-channel driver transistors and 0.2Ω P-channel synchronous rectificat...[Details]
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The basic functions of smart home include smart home appliance control, fire alarm, gas leak detection, smart water heater, etc. At present, tens of millions of households around the world have ins...[Details]
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The reporter recently learned from the Institute of Nuclear Energy Safety Technology of the Chinese Academy of Sciences that the "Intensity Modulated Precision Radiotherapy Planning System" (Qilin Da...[Details]
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Competition in the domestic wearable device market is also very fierce. Recently, IDC released the third quarter domestic wearable device market shipment data, with Xiaomi and Huawei leading the way....[Details]
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Abstract
This paper introduces and compares three lithium battery power calculation methods in detail: voltage estimation method, model lookup table method and current detection method, com...[Details]
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In the previous lesson Source Files (.c/.h/.s), Pi Ziheng systematically introduced source files to everyone. Source files are typical input files in embedded projects. So are there other types of ...[Details]