Archive
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What is drowning in gold? Why Shen Jin?
Archive1. What is drowning in gold? To put it simply, immersion gold is to use a chemical deposition method to obtain a layer of metal coating on surface of a printed circuit board through a chemical redox reaction. Second, why do y...
2023-04-08【Archive】
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General PCB debugging skills
ArchiveWhether it's a board made by someone else or a PCB designed and manufactured by you, first thing to do when you receive it is to check for board integrity such as tinning, cracks, shorts, cliffs. circuits, and drilling. The role i...
2023-04-07【Archive】
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Please remember these 4 points to switch power supply in order to "comply with safety regulations".
01 Safety Introduction 1. Definition Rules adopted to protect personal safety, property, environment, etc. from harm and loss. 2. Safety requirements a. electric shock b. Fire c. Electromagnetic radiation g. Environmental pollu...
2023-04-07【Archive】
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Popularizing common sense inductors
ArchiveAn inductor is also one of widely used components in household appliances, appliances and other electronic products. It is an electronic component that works on principle of electromagnetic induction. Its electrical characteristic...
2023-04-06【Archive】
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13 Commonly Used Basic Schema Formulas Beginners Should Read
Archive01 Ohm's law calculation Calculate relationship between current, voltage, resistance and power in a resistive circuit. ▶ Ohm's law explained: Ohm's Law explains relationship between voltage, current and resistance, that is, curre...
2023-04-06【Archive】
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The essence of PID control algorithm is here
ArchiveIn process control, proportional (P), integral (I), and differential (D) deviation PID controller is most widely used automatic controller. It has advantages of simple principle, easy implementation, wide applicability, independen...
2023-04-05【Archive】
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A list of some of the tools commonly used by electronic engineers.
ArchiveElectronic engineer is a general term for technical personnel involved in production, research and development of integrated circuits, electronic and electrical equipment and other related products. It is usually divided into hard...
2023-04-05【Archive】
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The most complete knowledge in history of uninterruptible power supply UPS
ArchiveUPS is an uninterruptible power supply. It is usually one of engineering subsystems of computer room of weak power grid, which connects battery with main equipment, and is mainly used to ensure stable and uninterrupted power suppl...
2023-04-05【Archive】
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What is a supercapacitor? How is it different from conventional capacitors?
ArchiveSupercapacitors, also known as electrochemical capacitors, electric double layer capacitors, gold capacitors, and farad capacitors, are electrochemical components developed in 1970s and 1980s to store energy using polarized electr...
2023-04-04【Archive】
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How to independently check malfunction of parallel resistance circuit? Chart details
ArchiveParallel resistance circuit is simplest parallel circuit, and all responsible circuits can be converted into resistor series circuit and resistance parallel circuit to understand working principle. The characteristics of parallel ...
2023-04-04【Archive】
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Hot Posts
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