Thread termination:1. The start_routine callback function executes return;2. The thread itself calls pthread_exit();3. Other threads call pthread_cancel(ID) to terminate the process;any thread calls e...
Build your own pixel art display and view your favorite retro, low-resolution images! Using the 64x32 pixel RGB LED matrix display, you can create your own pixel art or search the web for your favorit...
Today, SMIC was listed on the Shanghai Stock Exchange. The A-share issue price of SMIC was 27.46 yuan, and it opened at 95 yuan today, an increase of more than 245%, and its market value exceeded 600 ...
[size=4][color=#000000][backcolor=white]Overcurrent protection circuit with self-locking[/backcolor][/color][/size] [size=4][color=#000000][backcolor=white]1. The first part is the resistance sampling...
Beijing time, March 22, morning news, it was reported that a US federal judge said that Apple must face a Silicon Valley company's allegations that it illegally monopolized the US Apple Watch h...[Details]
As a new type of flowmeter, V-cone flowmeter has the advantages of high long-term accuracy, good stability, less limitation of installation conditions, wear resistance, wide measurement range, small p...[Details]
Identity authentication is the basis of confidential communication and information security. The identity authentication mechanism can identify the various identities involved in network transactio...[Details]
1) Hardware Design Generally, the serial port communication of a microcontroller needs to be converted by MAX232 for level conversion before data communication. Of course, the STC89C52RC microcontrol...[Details]
This article focuses on some mistakes you can easily avoid when using a power supply error amplifier, mainly including miscalculating the error amplifier's gain, making the amplifier do something beyo...[Details]
The usual method of reverse voltage protection is to use a diode to prevent damage to the circuit. One solution is to use a series diode to allow current to flow only in the correct polarity (Figure ...[Details]
Driven by chip manufacturers, the automotive industry has entered an era of computing power competition, and a computing power competition has quietly emerged among major chip companies. However, beh...[Details]
Recently, a research team from the University of California, San Diego, successfully developed a bionic crawling
robot
that can automatically move toward light and heat sources like a grape...[Details]
For chips like s3c2440 and s3c2410, the memory and boot operations are not as simple as 51.
1. The address lines of these two chips are addr0~addr26, with a total of 27 address lines, which is...[Details]
Just when I thought Qualcomm's problems were solved, they start up again. The judge ruled against Qualcomm. However, Qualcomm has significant appeals avenues that should help the company out. The Q...[Details]
IT Home reported on April 17 that Xiaomi's second-generation foldable screen mobile phone seems to be coming out soon, and it has been greatly improved compared to the first generation. Ac...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
According to the news from ZTE's official website, ZTE has recently joined hands with China Telecom to successfully complete the acceptance of China Telecom's world's largest ROADM all-optical backbo...[Details]
Test products: Car audio and video monitoring board and 24V power board
Leimao laboratory temperature and humidity: 26 degrees, 61%
Test standards: static electricity, surge, load d...[Details]