[align=left][b][color=black] [color=red]This is the wonderful lecture courseware of Mr. Li Wei, a power engineer of TI, on October 16, 2012. If you like it, please download and watch it! [/color][size...
Last time I recommended a multimeter for 5 yuan to you , and this time I bought a few clamp meters for 5 yuan each.Uses 9V batteryThe workmanship is average and suitable for making electrician meters....
[align=center][color=#000][size=15px][size=6][b]Build a simple application system with serial port receiving and transmitting and storage dual ports[/b][b]RAM[/b][b][/b][/size][/color][/align][align=c...
My board is very strange today. EVC can be synchronized to the board, but when I press the browse button of the synchronization software, I can't see the files in my device. In other words, I can't tr...
[i=s]This post was last edited by qwqwqw2088 on 2020-3-11 09:16[/i]For 2.4G PCB antenna, if cost and size are not considered, other antennas can be selected, such as patch antenna (small size, medium ...
How can I simulate the photoelectric counting module in Proteus? I searched and found that someone said to use IRLINK. This photoelectric coupling is for infrared simulation. Is there any good way to ...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[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]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[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 Guangzho...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]