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What's the largest motor an Arduino can power?

2019-05-17

Honestly, an Arduino can’t power any motors directly on account of the output current of its main control chip is less than 100mA, which can only drive a LED; (PS: If we power the motor with an Arduino forcedly, the board will be broken finally.)

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Why is there no right angle on PCB?

2019-05-16

I guess, you wanna try to express why there is no right angle trace on PCB. Well, it’s just because that the corner(not right angle) trace can be as capacitive load like a transmission line, which is pretty helpful to retard rise time;

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Why did we switch from analog computers to digital ones?

2019-05-16

Frankly speaking, it mainly considers from the features of analog computer and digital computer. Analog computer: The computer inputs analog signal whose numerical value is represented by continuous quantity and the operation process is continuous; How

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I was told that PCB layout design was easy.Do most people find PCB layouts easy?

2019-05-15

Not really. It is quite not easy to do well in PCB layout, especially for those special products. As you probably know, PCB layout is like the bridge to undertake the schematic of design engineer and realize the product performance with the help of EDA

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What are the advantages of using the soldering station?

2019-05-15

When it comes to the advantages of using the soldering station, there are four points we should know: a. Antistatic ( To prevent precision chip from breakdown by electrostatic during welding.) b. Dormancy( To save energy and prolong the service life

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Can you use too much flux when soldering?

2019-05-14

No problem. There is one thing that you need concern that is cleaning the excessive flux. Here are three ways for your reference: 1.Volatilizing the excessive flux as much as possible by increasing the preheating temperature; 2.Distributing it evenly

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How do I calculate the copper thickness of PCB?

2019-05-14

Generally, the copper thickness is calculated scientifically according to the current of PCB circuit; In addition, there is no denying that the thicker the copper, the better the PCB is; However, the cost will be higher correspondingly. Therefore, it is e

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Are the electronics at risk of damage through static electricity?

2019-05-13

Yes! As we all know, static electricity tends to attract the dust, which will reduce the insulation resistance of components. In other words, static electricity can shorten the service life of components to some degree;

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What is a dry or cold solder joint? How it can be eliminated?

2019-05-13

Cold solder joint means that there are a small quantity of tin column in the welding spot, which causes bad contactin the circuit.

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Is baking a graphics card in my oven dangerous?

2019-05-10

Nope. You know, if a graphics card is damaged, the fault may be caused by cold solder joint of SMD components such as graphics card memory or core. In this case, with the help of high temperature treatment like baking in the oven, it will melt the solder

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