1. If you are 3-5 minutes late for work, 20 RMB will be deducted; 2. If you are more than 1 hour late, it will be counted as half a day of work; 3. If you are more than 2 hours late, it will be counte...
[img]http://p.blog.eeworld.net/images/p_blog_eeworld_net/alicepeter/EntryImages/20081222/suspend1.JPG[/img] As shown in the figure above, I set the time for wince to enter various modes. After startin...
Since I came to eeworld, I have posted many articles, reposted articles, my own debugging process, etc. As a result, many people left messages asking for QQ. I don’t understand. The following is my at...
I have used USB3300 to drive USB in other products before, and there was no problem. Recently, a project changed the USB interface to TYPE C, rewired, and soldered 3 boards. All of them had the same p...
Introduction--As the convergence of networks for transmitting data, voice and video is gradually realized, people's understanding of the concept of convergence is gradually deepening. As the convergen...
1. The similarities and differences between the lumen efficiency of a single LED and the lumen efficiency of a lamp using LED as a light source. For a specific LED, with a specified forward bias, for ...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[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]
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]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[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]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
Talking about work
京公网安备 11010802033920号
EEWORLD
