In March, we held a discussion on the special activity of keystrokes in the forum ([url=https://bbs.eeworld.com.cn/viewthread.php?tid=97931]https://bbs.eeworld.com.cn/viewthread.php?tid=97931[/url] )....
As shown in the figure, LF398 always has the problem of not being able to adjust to zero. The online data shows that the power supply voltage is ±15V. The function of R5 is to make the voltage through...
I received only one SD card, but it came with a large SD card slot. It was not the rumored two SD cards. I was impatient to plug it into the USB port, and of course the mini SD card was also plugged i...
It is said that some netizens lost their virtual equipment when playing online games due to unstable network of China Railway Communications Corporation, so they intend to sue China Railway Communicat...
I made a STM32F103RBT6 board by myself. After soldering, I cannot download the program. It keeps saying "can not measure total IR len, TDO is constant high". I can download the program to the developm...
I wonder if anyone has used Zhou Gong's IIC package? When I use LPC2131 to read and write AT24C02, sometimes I can enter the interrupt, and sometimes I can't? I hope an expert can guide me! ! ! ! ! ! ...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[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]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[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]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[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]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[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]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]