I just started working with WinCE and my boss gave me a task to implement a static control under WinCE to display text dynamically and the control background should be transparent. As a result, after ...
char a[3]={-105,'35'}; TCHAR b[3]; MultiByteToWideChar(CP_ACP,0,a,-1,b,3); MessageBox(NULL,b,TEXT("clue"),MB_OK); Why is the output a question mark?...
The MicroPython driver for HTS221 was actually developed a few years ago ( https://bbs.eeworld.com.cn/thread-488307-1-1.html ), but now it seems that the program was not well written and not universal...
I thought it should be very simple to change from sending to receiving. After practicing it, I basically failed. The received data is saved in a local array, and then displayed on the LCD and output t...
Embest's website gives away BBview boards, but I can't find the link when I click in. I guess I need to contact customer service. [url=http://www.embest-tech.cn/shop/star/beaglebone-black.html]http://...
I just got a NUCLEO-L476RG development board, but I haven't decided what to do with it yet. Does anyone have any suggestions? Is the STM32L476 the lowest power Cortex-M4 chip currently?...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[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 data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[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]