1. What is overshoot?
When a faster signal drives a longer trace and there is no effective matching in the trace topology, overshoot often occurs. The main problem caused by overshoot is that the "1...
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...
On the morning of July 23, Japanese website Mac Otakara quoted Chinese supply chain sources as saying that due to the epidemic, Apple’s 2020 iPhone product (tentatively called iPhone 12) will n...[Details]
Background of the Science and Technology Innovation Board November 5, 2018 At the opening ceremony of the first China International Import Expo, President Xi Jinping announced that a Science a...[Details]
After I graduated from university in 2001, I went to work at the Institute of Semiconductors of the Chinese Academy of Sciences. This was my first time to really come into contact with C language dev...[Details]
Quote: I was bored during the Chinese New Year and I had just learned something about the 51 development board, so I wanted to write a small program for the snake. I summarized some algorithms about ...[Details]
To upgrade the system firmware of the ZDS2022 oscilloscope, please follow the steps below: (1) In the root directory of the USB drive, create a folder named ZDS2000, create another folder named code...[Details]
Foreword: It only takes a year for power batteries to go from being in short supply to oversupply. The first half of the battery industry has been able to meet market demand, but in the second ...[Details]
There are usually two ways to detect whether the ordinary zinc-manganese dry battery has sufficient power. The first method is to estimate the internal resistance of the battery by measuring t...[Details]
The original wireless local area network (WLAN) standards were primarily designed to provide low data rate wireless connections to wired broadband connections for web browsing and email. Over time, ne...[Details]
Facial recognition remains a political dilemma and a target for privacy activists in the U.S. For example, law enforcement has imposed a moratorium on the use of facial recognition scanners following...[Details]
Vibration, especially long-term continuous vibration, is one of the important factors affecting the electrical contact performance of industrial waterproof connectors. Vibration will affect the lon...[Details]
According to a report on Taiwan's Business Times website on February 4, the United States continues to expand its ban on semiconductor exports to mainland China. The U.S. Department of Commerce plans...[Details]
First, the ARM chip needs to set the interrupt vector, and then when an IRQ interrupt comes, the CPU automatically fetches instructions at address 0x18. The instruction at 0x18 is calculated by the CP...[Details]
Jingsheng Electromechanical said in an institutional survey that in the first quarter of this year, the COVID-19 pandemic had some impact on the industry's start-up time after the Spring Festival, bu...[Details]
1. Introduction In large-scale enterprise automation systems, Ethernet and PCs are used in the upper enterprise management layer and production monitoring layer, while field buses such as RS-485, CAN...[Details]
Analog electronics
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