My supervisor now requires me to change a PDA program written in C# to C++, but I have never touched MFC. I looked at it a few days ago and it was too depressing. I have worked on embedded QT for a wh...
The code is as follows. The status bar and toolbar can be displayed normally, but the menu is not displayed. What's going on? Urgent [code] if (!m_wndStatusBar.Create(this) || !m_wndToolBar.CreateEx(t...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:37[/i] This year's Hubei Province Electronic Design Competition introduced the grid connection technology in the power supply category predic...
I am a novice and just started to learn CCS. I searched online and found no beginner tutorials for the C6000 series. Can anyone give me a link to download the tutorial?...
If there is no DTR pin in the serial port, how to use AT commands to connect GPRS? After sending "AT"; "AT+CGDCONT=1,\"IP\",\"CMNET\""; "AT*E2IPA=1,1"; is it necessary to give a DTR pulse before sendi...
Hello~ Everyone~ The new week's review information is here~~ Tomorrow is National Day~ I wish you all a happy holiday! Let's get back to the topic, let's take a look at the latest review information~A...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[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]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
Some people believe that hybrid vehicles are just a transitional product, and the ultimate goal of developing new energy vehicles is electric vehicles. Therefore, China should skip hybrid vehicles ...[Details]