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...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
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]
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[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]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
Embedded System
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