When I used the information area (1000~10FF) of F135 to save system parameters, I followed the instructions of Wei Xiaolong andfound several problems: 1) After using the routine to unlock FLASH, writ...
Since the beginning of my work, my boss has mentioned to me several times that he wants me to switch to sales. Today, my boss mentioned sales to me again. Compared with the previous hints, this time i...
[i=s]This post was last edited by zhanghuichun on 2014-12-5 22:29[/i] [postbg]2.jpg[/postbg][size=4] Since many netizens want me to talk about my Baidu API for the host computer, I am not an expert. I...
Now we are developing a switching power supply. The input is US standard 120V. The output is 5V/1A. The single-chip switching power supply chip is TOP221. The high-frequency transformer has three wind...
In circuit design, when the input power is 12V or 24V, the power supply is 5V or 3.3V. We often encounter the problem of multiple power supplies.
A low-cost method is to use transformer regulation. On...
From Made in China 2025 to new infrastructure, to the 14th Five-Year Plan, and the country's dual carbon goals, intelligent manufacturing and industrial upgrading are all important links.
As an upstre...
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]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[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]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[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]
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]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[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]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]