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What should we pay attention to in soldering PCB?

2019-03-27

The following points we should pay attention to in soldering PCB: 1)The soldering temperature and environment; 2)The soldering method, such as if the PCB has components in both sides( In order to avoid components falling, pads rub off and board brok

Are infrared thermometers harmful to kids?

2019-03-27

Not really. In fact, an infrared thermometer is basically no radiation. In other words, it works via reflecting infrared wave length of heat dissipation from our human body.

What is the best CPAP on the market?

2019-03-27

The best CPAP on the market: Respironics(USA), ResMed(Australia), etc.

Which is better, analog or digital insulation tester?

2019-03-26

Apparently, digital insulation tester is better than analog one.

Why is a capacitor current not measured by a multifunction meter?

2019-03-26

Because the multifunction meter can only measure current in a closed circuit. That’s to say, the return circuit should exist current, then the volmeter pointer is gonna deflect with the effect of electromagnetic induction;

What should you choose: Cloud-Based vs VOIP Telephone System?

2019-03-26

Frankly speaking, I’d like to choose VoIP Telephone System; So why? The IP communication solution( VoIP) has proved in the market that it can help us solve these questions like simplify the business procedure and reduce cost. Over years, companies al

What temperature do electronics stop working at?

2019-03-25

As for the temperature when the electronics stop working at, to be honest, we have to discuss it based on the detailed products. For instance, Civil-use Grade: -10~70℃; Technical Grade:-20~85℃; Military or Automobile Grade:-40~125℃.

What is the difference between LED lights and energy-saving lights?

2019-03-25

The difference between LED lights and energy-saving lights: 1)Light souce; 2)Heat production.

What is the external power source for aircraft?

2019-03-25

The external power source for aircraft: Ground electrical power source, which is the EPU(Electrical Power Unit) to generate power supply when the airplane is still on the ground;

What is the safest and cheapest way to clean electronic devices?

2019-03-22

The safest and cheapest way to clean electronic devices: Based on the specific parts of the electronic equipment, you can use these stuffs like toothbrush, cotton bud, adhesive tape, ethanol, etc.

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