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...
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]