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There are two types of battery attenuation in electric vehicles: attenuation caused by the recycling of power batteries and attenuation of power batteries in low temperature environments. The former ...[Details]
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Usually we can easily find the base b of the triode, but which of the other two electrodes is the collector c and which is the emitter e? At this time, we can determine the collector c and emitter e ...[Details]
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This application note discusses pulse oximeter design using Microchip analog devices and the dsPIC® digital signal controller (DSC). A pulse oximeter is a non-invasive medical device that monitors ox...[Details]
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Since Apple launched the iPhone 5 with a Lightning interface in 2012, it has never changed the iPhone's interface design in the past ten years. There is also a growing debate about whether it is nece...[Details]
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High-power AC/DC high-frequency switching power supplies are widely used in the fields of communications, power, industry, military, aerospace, etc. The power of a single machine ranges from hundreds...[Details]
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The core of the circuit is composed of a DC tone control IC, an NPN transistor and four resistors. The other components are peripheral components required by the DC tone control IC itself. Most DC ton...[Details]
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Secondary side grounding. The secondary side of the voltage transformer must have a grounding point, which is mainly for safety reasons. When the insulation between the primary and secondary windings...[Details]
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According to Jiwei.com, on April 20, Wuxi Taihu Bay Science and Technology Innovation City held its first centralized cloud signing event for key science and technology innovation projects. Accordi...[Details]
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Recently, "new infrastructure" is very popular. 5G, industrial Internet of Things, and energy cloud platform are also in this category. There seems to be some hope for spring, but the cold wind is ...[Details]
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For current Korean manufacturers, SSD and other memory chips have encountered new problems. Even if the price drops, they are still difficult to sell. Data released by the South Korean Customs Serv...[Details]
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1 Domestic research status
At present, low vibration and noise, high-efficiency blades usually adopt the design method of increasing the number of blades and twisting the blades. It is often d...[Details]
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A multi-institutional research team led by materials scientists at Pacific Northwest National Laboratory (PNNL) has developed a durable, highly active catalyst that does not rely on expensive platinu...[Details]
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File name i2c.h
/***************************************************
Name: I2C communication module revised version
Written by: YuMin_DongTime
: 2012.11.17
**************************************...[Details]
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The noise figure analyzer is usually used as an optional function of the spectrum analyzer. It is used with a standard noise source and uses the Y factor method to measure and analyze the noise figur...[Details]
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On October 24, the Ulanqab Outlets Supercharging Station, invested and constructed by Chayouqianqi Guorun Group Ulan Green Energy Charging Co., Ltd., was officially put into operation. The stat...[Details]
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