I use the following code to make a pop-up menu under EVC: CPoint point; point.x=50; point.y=100; CMenu menu; menu->LoadMenu(IDR_MENU1); CMenu *pPopMenu = menu->GetSubMenu( 0); pPopMenu->TrackPopupMenu...
What does it mean when the port latch is set to 1? How should I understand this sentence? It would be better if there is a picture to illustrate it....
I imitated the seed EVM642 and used tps54310 as the power supply of 642. When it is unloaded, the power supply output is normal 1.39v and 3.26v. But when the load is connected, the 1.39v output is nor...
[Routine Introduction]: Use the MC430F14 development board to implement the ADC12 module for data acquisition, and then display the measured values on the LCD12232 module after conversion. During the ...
I have a problem. When the application layer calls my driver to read the serial port, there are occasional duplications. For example, the data that should be 6 bits is read as 12 bits. Sometimes 12 bi...
Big integration: How can local distributors win over the world?In early August this year, Avnet quietly announced the acquisition of two electronic component distributors in Taiwan, namely Taiwan De-Y...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
store
To prevent moisture, LEDs should be stored in a dry and ventilated environment with a storage temperature of -40°C to +100°C and a relative humidity below 85%.
The LED should be use...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
introduction
Caller ID delivery (CID) is a service provided to the user's phone. The method is that the originating switch transmits the caller number and other information to the terminal swi...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
Embedded System
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