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Are medical or airport X-ray machines more powerful?

2019-02-26

Comparing with airport X-ray machine, medical X-ray machine is obviously more powerful, which depends on their different practical requirements.

How is IoT related to electronics and communication systems?

2019-02-26

In fact, the IoT’s software platform is based on the hierarchical communication system, including data-aware system, middleware system, network operating system, IoT management system and information center management system, etc.

How many transistors have to fail in order to make a CPU unusable?

2019-02-25

Generally, as long as 2% transistors are failed in a CPU, the CPU will be unusable.

Why are some people against led street lights?

2019-02-25

The research online shows that colour temperature and brightness are the mainly reason why people against LED street lights. In other words, people have requirements for the street lights’ color and brightness.

Is Raspberry Pi a microprocessor or microcontroller?

2019-02-25

Exactly speaking, Raspberry Pi is not only a microcontroller but also a mini computer, which runs Linux system.

How does the heartbeat sensor work?

2019-02-21

A Heartbeat Sensor consists of an infrared LED and an infrared phototransistor.

How are you using the big ultrasonic cleaner equipment?

2019-02-21

Well, in fact, the big ultrasonic cleaner equipment is used to clean such stuffs: Hardware parts, circuit boards, machinery, automobile parts, etc.

If I input a lot of voltage into a transistor, will it break?

2019-02-21

Yep! It will certainly break the transistor. Don’t try to do that!

How do I determine the traces width when designing a PCB?

2019-02-21

Generally, the following factors determine the PCB width traces: 1)Current 2)PCB Production technology 3)Other special requirements, including impedance requirement, etc.

What happens when I run 220v motor on 110v AC?

2019-02-20

There are only two possible results you will observe: 1)The motor doesn’t run at all; 2)The motor will rotate but can’t up to a good state.

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