U-Boot 2013.01.01 (Oct 24 2013 - 17:40:22) CPU: Altera SOCFPGA Platform BOARD: Altera SOCFPGA Cyclone V Board DRAM: 1 GiB MMC: ALTERA DWMMC: 0 In: serial Out: serial Err: serial Net: mii0 Warning: fai...
Xiaotai tests thousands of electronic devices a year, but he still has time for a spontaneous trip
How did he do it?
Come and start your journey with Xiaotai!Enter the eventAbout this activity
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A few days ago, a friend introduced me to a Tengyun customer management system, which I downloaded from Huajun Software Park http://www.newhua.com/soft/64534.htm. After using it for a few days, I felt...
Are you still worried about the maintenance of your company's test instruments? I believe that many users have this worry. For device testing, accuracy, repeatability and reliability are crucial. Xi'a...
This circuit is to restart the power bank from sleep mode. After I added the circuit at the back end, the power bank voltage in sleep mode will be pulled down to 0.8V. This circuit will not work. Plea...
When I was looking at 432 programs recently, I suddenly found a problem. For example, when calling a library function, such as MAP_WDT_A_holdTimer(); this statement is a macro definition, pointing to ...
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]
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]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[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]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[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]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]