1 I used evc to write two .ocx controls and added them to the program. However, every time I run the program, I have to register the controls before the program can call them normally. There is no suc...
I'm learning evc++ recently and trying to write a small software. I need a bitmap transparency function. In a word: I don't know how to do it! Please help me, experts. Can you give me some ideas or co...
[backcolor=white]In short, it means calling the function pointer. The ret instruction returns to the starting address, and does not return to the place where the main function calls the function point...
STM32F103R8, when using HSIto set RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); there is no problem, but whensetting RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_16); it will run to HardFault...
Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology that uses wireless radio frequency communication. Compared with the currently widely used barco...[Details]
Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
As the application scope of medical equipment expands from hospitals to emergency response and home medical environments, its mobility will be determined by many factors. In addition, medical equip...[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]
WiMax technology needs to demonstrate its advantages in specific application scenarios in order to gain market recognition, which requires application testing to measure system performance para...[Details]
Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
Designers of handheld products such as cell phones, digital cameras, MP3 players and personal digital assistants (PDAs) are continually challenged to deliver more functionality in a smaller form...[Details]
A financial analyst pointed out that the signal reception problems of Apple's 3G iPhone may be caused by some defective chips.
Richard Windsor, an analyst at Nomura Securities, said in a resea...[Details]
Murphy's Law tells us that "what can go wrong, will go wrong". In the testing or production process of video equipment, problems often occur when we least want them to happen and when it is leas...[Details]
introduction
With the improvement of social automation, human-computer interaction capabilities urgently need a major change, and develop in a direction that is more convenient to use and more...[Details]
With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]
The rapid growth of consumer video applications, from portable media players and cell phones to video game consoles, requires a multitude of different interfaces and adapters to enable users to tra...[Details]
At present, ECG monitoring systems that mainly collect, analyze and diagnose ECG signals have been widely used, and have played a great role in the prevention and diagnosis of heart diseases.
...[Details]
FSK (Frequeney-Shift Keying) uses carriers of different frequencies to transmit digital signals. FSK signals have the advantages of strong anti-interference ability and long transmission distance, and...[Details]
When it comes to ATX power supply, people will think of two "classic" ICs: pulse width modulation chip TL494 and voltage comparator LM339. The new dedicated control chip AT2005B has the functions ...[Details]
Embedded System
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