All WinCE-based drivers exist in the form of dll files in user mode. That is to say, on the one hand, all WinCE drivers run in user mode, and on the other hand, our method of developing WinCE drivers ...
I want to reduce costs as much as possible, so I would like to ask if it is possible to make a simple 12V to 5V DC-DC conversion circuit by myself without using an IC?...
[i=s]This post was last edited by tiankai001 on 2019-2-14 11:35[/i] [font=宋体][size=4] [/size][/font] [font=宋体][size=4][b] [color=#000000]I just saw a post on the forum that introduced the development ...
Digital Integrated Circuit Analysis and Design : https://training.eeworld.com.cn/course/6150Integrated circuits (ICs) are already ubiquitous, and most of them are digital ICs. This course allows you t...
This code is to detect whether there is a string t in the string s, but I don’t understand the for (t_temp = t; *t_temp == *m_temp; t_temp++, m_temp++); What is the logical sequence of this code? Plea...
ESD requires a discharge path
It is usually discharged into the ground through resistors and capacitors.However, the device has an insulation withstand voltage requirement. If the resistor and capacit...
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[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]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[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]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[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 the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[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
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[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]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]