Different standards for electronic and electrical products exported to different countries
1. Safety requirements for audio, video and similar electronic equipmentIEC 60065:2001+A1:2005 EN 60065:2002+...
1.BQ34Z100-G1: How do I set up the BQ34Z100-G1 to measure lead acid (PbA)?To quickly begin communicating with the fuel gauge, follow this quick start guide: www.ti.com/.../sluubv2
It can start and run...
1. Introduction of four-wire fan
4 -wire fan is a common computer CPU cooling fan. Compared with ordinary 2 -wire fan, it has PWM speed regulation and FG speed detection . It is a very common fan type...
Development tool: vs2005 Question: I am using vs2005 to write an OCX control for Pocket PC, and then write an application for Pocket PC. In the simulator, only this application runs. How can I registe...
[color=#333333][font=Arial]This is a single-live-wire dimmable circuit I made. It detects zero-crossing signals, and the microcontroller outputs PWM to the optocoupler to achieve dimming. The problem ...
Is there any way to clear the data of the original protection board of the 18V charger by short-circuiting or some other method, or to enable it to output? Currently, it is protected and cannot output...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
Test/Measurement
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