What is the difference between using * and ? in the day of the week in a cron expression? I checked some information, but none of them are clear. For example, one of the information saysCron expressio...
The driver board has arrived and has been soldered. I have been busy outside for a while and was sent by the company for training. I am only starting to post now.
It uses a conventional 6MOS driver, a...
Power management, battery management (26 questions and answers in total, compiled by TI power battery expert Richard Tang)
Selection design, fast charging and wireless charging, LDO design, battery li...
Seeing that @未见's Qinheng CH224D USB PD portable soldering iron is here , I was reminded of PINE64's latest portable soldering iron, which is based on the domestically produced Boluo BL706, supports l...
The first and second industrial revolutions were both energy revolutions, and the third industrial revolution is a digital revolution. What kind of sparks will be created if the energy revolution a...[Details]
Translated from - spectrum, Michael Koziol Machine learning classifiers can target hackers before they strike. Hackers often steal IP addresses to steal data and launch attacks, and the additiona...[Details]
The energy storage industry is a very important part of the entire new energy industry. It is a necessary condition for large-scale grid connection of renewable energy power generation and is known...[Details]
Rockwell Automation and Ecosystem Partners Lead the Digital Future at CIIE
(October 26, 2022, Shanghai, China)
As one of the world's leading companies in industrial a...[Details]
Author: Elaheh Motamedi, Kian Behz, etc.
This paper explores the problem of using technology for arm action recognition in noisy environments. Using a vision system and model, the author's met...[Details]
According to foreign media reports, on November 18, local time, Autoliv, a global leader in automotive safety systems, announced that it has developed a new front center airbag to save the lives of o...[Details]
Canteen vegetable pesticide residue detector FT-QNC3 fake pesticides are rampant. Due to insufficient supervision of the rural market, some companies produce low-toxic pesticides that contain highly ...[Details]
1 Introduction PXI (PCI Extensions for Instrumentation) is a new modular instrument platform that provides high-performance measurements at an affordable price. With PXI modular instruments, you can ...[Details]
Ceiling fans are still used by residents and public places in many countries to adjust air temperature and environmental comfort, which is related to the global geographical environment and social ...[Details]
Recently, Italian surgical
robot
company Medical Microinstruments, Inc. (hereinafter referred to as MMI) officially announced that it has completed a $110 million (about 800 million RMB) Se...[Details]
Brief description: ****
The principle of SPWM sinusoidal pulse width modulation technology is to compare the three-phase sinusoidal voltage command generated by the controller with the triangu...[Details]
Xiaomi will release the new Redmi Note 9 series in India on March 12, and recently there have been reports that the Redmi Note 9 series will also include a Redmi Note 9 Pro Max. According to wel...[Details]
According to the Financial Times, Wells Fargo analysts said that in the next 10 years, US banks will replace more than 200,000 jobs through robots and other technologies, shifting the focus of the ba...[Details]
The _at_ keyword is used to specify the address of the variable when defining the variable. The following are examples of using the _at_ keyword: struct link { struct link idata *next; cha...[Details]
Embedded System
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