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Which is on and which is off in the I/O switches?

2019-01-07

I:Input, which means turn on; O:Output, which means turn off; BTW, In World War II, engineers who have used binary to mark switch buttons,'1 ' refers to turn on while' 0 ' refers to tuen off.

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Does using high voltages mean lower current?

2019-01-07

Generally speaking, "using high voltages mean lower current" refers to on the condition of the same power, in order to reduce the loss of the power that during the process of voltage transmission, we have to lower the current.

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Which products need flexible or rigid flex PCBs?

2019-01-04

Generally speaking, Flex or Flex-Rigid PCBs are applied to those products that are high-end, relatively small in volume , the products that need to be folded, etc. For example, security products, camera, mobile phones such communications products and

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How can I install a button and a battery holder on a flex PCB?

2019-01-04

Suggestion 1 How to install a button and a battery holder on a flex PCB: On a Flex PCB, the opposite side of the welding components must have stiffener; We suggest that you can try to add the stiffener in the opposite of the button and batter

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Can an AC source connected to an inductor produce current?

2019-01-04

Not really. Actually, in the AC circuit, the inductor has impedance, which leads to the current of the whole circuit turns smaller. That’s to say, the inductor will hinder the AC to some degree instead.

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How can I read a PCB?

2019-01-04

To read a PCB: First of all, knowing the base material of the PCB, such as FR4, etc; Secondly, understanding the PCB function of inputting and outputting; Thirdly, mastering the basical direction of signal in the PCB; Finally, grabing the

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Can you get shocked from touching just a PCB board?

2019-01-03

You can get shocked from touching just a PCB board, here is the explanation details: 1)As a matter of fact, the PCB board on the equipment do have some varying degrees of shock while working. However, PCB board has been fixed already so that the sh

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What makes the metal detector detect any metallic object?

2019-01-03

First of all, we should be aware of the three types of metal detector: Electromagnetic induction detector, X-ray detector and Microwave detector,which are the electronic instrument for detecting metallic object. Thus the metal detector is widely used in a

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What is the benefit of an LED light box?

2019-01-03

The benefits of the LED light box: a)Beautiful appearance: It’s suitable for all fashion areas; b)Convenient installation: Quick opening design but simpler and faster replacement of lamp, which can be replaced within five minutes; c)Patent of

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Should a PCB layout designer know well enough about circuit design?

2019-01-02

Absolutely! PCB Layout and routing have great influence on product life, stability and EMC, which is the point that we should pay more attention to.

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