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?...
Assume that data is read from an 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad(); [b]1. Limited-value filtering[/b] #define A 10 char value; char f...
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
1. Equipment Overview
Shell-and-tube heat exchangers are a common heat exchange device used in chemical evaporation and heating equipment. Currently, the tubesheets of shell-and-tube heat exch...[Details]
How do you know if a machine is operating properly? The answer: by leveraging deep learning to detect anomalies in routine vibration data from industrial machines. Anomaly detection has many uses, ...[Details]
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
Recently,
Xpeng Motors and Xinlian Integrated Circuit jointly announced the mass production of China's first hybrid silicon carbide product.
Designed and developed by Xpeng Motors and joint...[Details]
According to foreign media reports, researchers at the University of Surrey have developed an artificial intelligence system that can accurately locate the location of equipment in densely populate...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
Since its invention in the mid-1940s, the microwave oven has evolved from a humble beginning to commercial use, entering homes in the 1960s and rapidly gaining popularity. Its basic functionality a...[Details]
Electric vehicles are becoming increasingly popular, with increasingly longer ranges. There are two ways to charge electric vehicles: slow charging and fast charging. Which is the most suitable? Sl...[Details]
The 2025 China International Automotive Testing Exhibition will be held at the Shanghai World Expo Exhibition and Convention Center from August 27 to 29, 2025.
Clacton Seafront, UK, ...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
HTTP is the abbreviation of Hypertext Transfer Protocol. It is an application protocol based on TCP/IP communication protocol used to transmit HTML and image files. It is an application-level objec...[Details]
With growing environmental awareness, the continuous improvement of three-electric technology and the increasing deployment of infrastructure such as charging stations, the electrification of new e...[Details]
Speaking of the problem of vehicle spontaneous combustion, whether it is a pure electric vehicle or a fuel vehicle, there will be incidents of spontaneous combustion. For the same spontaneous combu...[Details]