I recently made a S3C2440 board. After moving 4K of program from FLASH to the internal SRAM of 2440 to initialize the CPU and SDRAM (the first 4K of code runs normally, with indicator light), I moved ...
[b]Unnumbered warning type:[/b] [color=#ff0b2a]1. Sat Jun 23, 2012 17:41:05: The stack pointer for stack 'Stack' (currently Memory:0xF5336) is[/color] Reason:[url=http://blog.sina.com.cn/s/blog_4c0cb1...
I want to use the same serial port in two programs. Since I cannot use CreateFile to open the serial port twice, I need to use the same HANDLE. However, using this HANDLE directly is not an option. On...
Thank you very much eeworld. Ufun provided Ufun board before. Today I used this board to do a PWM output accuracy test and found that when the deviation is 10khz, the PWM output deviation is close to ...
Measure voltage 0~5V. The measured voltage is displayed on the LCD screen. The keyboard can be used to change the measurement range to improve the measurement accuracy. If someone can give me some adv...
TD-SCDMA (Time Division Synchronous Code Division Multiple Access) is one of the three major standards for the third generation of mobile communications. It is a communication standard with indepen...[Details]
Digital signal processors have efficient numerical computing capabilities and can provide a good development environment, while programmable logic devices have highly flexible configurability. This...[Details]
Pulse oximeters, non-invasive instruments used to monitor a patient's blood oxygen saturation, are benefiting from moving away from expensive discrete component solutions toward more integrated design...[Details]
As a branch of signal and information processing, digital signal processing has penetrated into various fields of scientific research, technological development, industrial production, national defens...[Details]
Overview
Bioelectric signals are very weak, and there is strong interference when detecting them. Therefore, there are many technical difficulties in designing high-quality bioelectric ampli...[Details]
With the development of automatic control technology, the application of precision air pressure generation and control technology is becoming more and more extensive. However, the traditional valve...[Details]
In some warehousing management, manufacturing, meteorological observation, scientific research and daily life, the requirements for temperature and humidity are common. For example, the "Interim Pr...[Details]
Today, as network technology becomes more and more popular, industrial field instruments, data acquisition and control equipment are becoming more and more networked, and the combination of industr...[Details]
0 Introduction
Today, with the rapid development of electronic technology and the emergence of new multifunctional electric energy meters, the choice of memory in the electric energy m...[Details]
Wireless personal area networks (or WPANs) are particularly useful for sensing, monitoring, and control applications. Cost-effective WPANs have the unique potential to implement wireless connectivi...[Details]
When using GPS for positioning, it will be affected by various factors. The factors that affect the accuracy of GPS positioning can be divided into the following four categories (see the figure be...[Details]
Among the many candidate standards for China's mobile TV, the CMMB standard proposed by the Broadcasting Science Research Institute of the State Administration of Radio, Film and Television is aime...[Details]
Preface
In the analog era, due to the unchanged specifications and relatively simple device connections, as well as users' low requirements for image quality, the relatively simple environment...[Details]
1 Introduction
Economic development has prompted people to continuously improve their security awareness. When traditional local analog monitoring methods gradually fail to meet the needs of l...[Details]