I use pointer passing, the parent window is CTestDlg, and the child window is CSondlg. I define CSondlg *pDlg in the parent window; Then the statement in OnSonDlg (button) is pDlg = new CSonDlg(this);...
Netizen Nie Zhongqiang wrote the 89S5X download line software EasyPlay. Its parallel port download line is simple to make and easy to use. The download speed is also very fast and its stability is als...
How to make WINCE5.0 recognize the hard disk? I customized a CEPC_X86 structure platform with PB5.0. After running on the WINCE platform (loadcepc.exe nk.bin from the cf card), there is no harddisk ma...
This device that looks like a watch is actually a wrist generator. When a person wears it, the side that touches the skin is warmer than the side away from the skin due to body temperature, and the ge...
I have been busy with the project for some time. Now I have a little time. Since this is a low-power competition, I will take advantage of Wolverine's low power consumption and use FR5969 as the main ...
I want to ask if the microcontroller used is at89s52. Is the watchdog hardware or software? Do I need to add an external hardware circuit? Can anyone tell me? Or is the watchdog just a program and doe...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Embedded System
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