I just learned embedded system, and I saw the following function that implements MessageBox similar to VC. But I don't know the specific implementation code of DisplayString(xPos,yPos,lpStr,TRUE); /* ...
I am developing an application in WinCE 4.2 using EVC. I need to target different edit box controls in the same window. When the focus is on this edit box, it will automatically switch to the correspo...
[i=s] This post was last edited by paulhyde on 2014-9-15 04:14 [/i] [align=center][b]Buck circuit parameter selection principle and calculation [/b][/align][align=left][b][size=14.0pt]1 [/size][/b][b]...
Anyone working in a business today has probably participated in or heard of brainstorming. In brainstorming, we expect to get a lot of creative and good ideas. But have you ever participated in some b...
Currently, there are three main types of light sources for car headlights on the market: halogen, xenon and LED headlights. Halogen headlights are the main element of car light fillers, and the main e...
Unboxing and hardware learningUnboxingThe bright red circuit board looks very pleasing, and the overall design is divided into two parts, separated by a cable in the middle.Hardware LearningThe hardwa...
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]
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]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[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]
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]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[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]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]