[size=14px]Here are the program optimization principles introduced by MicroPython author Damien in the video at pyconau 2018: [/size] [size=14px][b]Functions that do not allocate memory in the heap: [...
1 IntroductionWith the application of microelectronics technology and modern control theory in AC variable frequency speed regulation systems, the performance of frequency converters (or inverters) ha...
1) Proficient in c/c++ programming language, good programming habits 2) Familiar with software development process, strong design ability and document writing ability 3) Strong team awareness and comm...
Happy New Year everyone, I didn't go home on New Year's Eve, so I wrote a test procedure for the LED display. But I want you to help me write a test program....
The program does not seem to run this part (displayed in red) [color=#FF0000][/color] Here is my program: #include
#include
#includesfr AUXR = 0x8e; #define X_ADDR XBYTE[0x0000] #define Y_ADDR XBYTE[0...
void CLODlg::OnBnClickedButton1() { pSubDlg->ShowWindow(SW_SHOW); Sleep(2000); AfxMessageBox(_T("")); } There are just a few lines of code like this. Every time I run it, there is always a delay of 2 ...
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
DigRF
is
poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices:
analog
signaling, and proprietary digital signaling (paralle...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
1. Introduction
The advancement of USB technology makes designers prefer USB interfaces in PC peripheral development. However, existing
virtual instrument
development platforms such...[Details]