[align=left][font=微软雅黑]Key points of DDR hardware design[/font][/align][align=left][font=微软雅黑]1. Power supply DDR power supply can be divided into three categories: [/font][/align][align=left][font=微软...
I am so depressed. My desktop computer is connected to the wireless network, but I can't open the web page. My mobile phone can access the Internet normally....
Hello everyone, I would like to ask a question. I use the 2.0 and 2.1 ports of 430f449 to simulate the serial port, 2.0 for output, 2.1 for input. Turn on the SEL of 2.1, and then use TIMERB0 to captu...
I would like to ask about the HDMI decoding chip. An E2PROM is connected to the I2C interface of HDMI, and the I2C is connected to the decoding chip. Without this E2PROM, the decoding chip cannot reco...
It was also recommended by a friend. At first I just thought it was an ordinary suspense film, but after watching it, I couldn't stop. I like it very much~! ~ It's like writing an article, it feels li...
[i=s]This post was last edited by sky999 on 2022-8-7 12:07[/i]There are three 5V input ports on a circuit board. A is the USB port, and B and C are 5V inputs. How can I do this?
When C has input, A an...
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 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]
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]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
The NCL30051 from On Semi is a peak current controlled fixed off time buck controller designed for LED driver applications. It has adjustable off time, 250mA source/500mA sink peak drive capability, ±...[Details]
The construction of voltage and current feedback amplifier application circuits is generally the same, except for a few key points.
Current feedback amplifiers have higher sl...[Details]
Today, drivers and passengers expect to enjoy the same technological comforts on the road as they do at home. Consumer demand for traditional in-car infotainment systems, such as CD players, is giv...[Details]
Abstract Using FPGA control module, the OLED true color dynamic image drive control circuit is designed. The method of using FPGA to realize OLED peripheral control circuit and 256 grayscale is int...[Details]
High brightness LEDs (HBLEDs) are rapidly gaining popularity in the automotive, consumer electronics, and industrial markets. Brilliant colors, long life, and high energy efficiency are some of the...[Details]
Electricity is now widely used by people. Electric energy has become the most common energy used by people. Electric energy is also an important symbol of a country's comprehensive national strengt...[Details]
1 Introduction
With the rapid development of computer systems and communication equipment, the application scope of uninterruptible power supply (UPS) is becoming wider and wider. The demand...[Details]