[size=4]From the title, it seems that there is no problem. But the poster clearly proposed not to use a transformer and directly convert 220V to 5V. At first, I thought it was just a theoretical discu...
[i=s] This post was last edited by Mr. Jiang and Chuyi on 2019-11-19 11:52 [/i]This content is originally created by EEWORLD forum users Jiang Xiansheng and Chuyi . If you want to reprint or use it fo...
I wrote a printer driver that uses the SPI interface. Then I directly called the SPI driver that comes with the BSP package in the driver. When I used WriteFile to write SPI, there was a 5ms delay fro...
I have already summarized the summary of 2019 in the touching post. In general, 2019 was not easy and full of difficulties, but at least I persisted step by step. I don’t have much hope for work anymo...
Tesla and BYD, vying for dominance in the global electric vehicle market, are reportedly considering adopting Samsung's AMOLED (active-matrix organic light-emitting diode) technology for their next...[Details]
introduction
With the development of digital and network technologies, broadcasting technology has become increasingly diversified, with the most significant trend being the transition from an...[Details]
We are entering a new era where people are increasingly affordably equipped with more electronic gadgets. Electronics have become essential to our lives. For example, the average consumer now owns ...[Details]
1 Introduction
In the mid-1960s, American scientist Maas conducted extensive experimental research on the charging process of open-cell batteries and proposed an acceptable charging curve for ...[Details]
Chinese characters are extensive and profound, and there are many different names for ESD tubes. How many of them do you know?
As far as I know, ESD diodes are currently known as ESD p...[Details]
My career has been closely tied to the semiconductor industry. From product management to content marketing, I've provided countless forecasts and predictions across a variety of roles. Whethe...[Details]
Common methods for troubleshooting roller press bearing wear include repair welding, thermal spraying, brush plating, and scrapping and replacement. However, these methods are often subject to asse...[Details]
With the support and encouragement of national policies, some Internet car manufacturers have also joined the new energy vehicle manufacturing industry. From the perspective of new car manufacturer...[Details]
New version helps developers build secure and trustworthy embedded systems
Shanghai, China—August 21, 2025—
QNX, a division of BlackBerry Ltd., today announced the release of QNX...[Details]
From time to time, I see some audiophiles spending a lot of money or a lot of time to DIY speakers, but the results are not what they want. Below I list some of the small experiences I summarized b...[Details]
introduction
In recent years, with the increasing number of high-rise buildings, the demand for elevators has also increased. Currently, the elevators we use most often use LED dot array displ...[Details]
Recently, I received a request to use OK1028A-C to output PWM square wave. However, I found that there was no relevant instructions on the OK1028 platform, so I started writing this article.
A...[Details]
On August 19, Huawei's Executive Director and Chairman of the Device BG, Richard Yu, shared a Weibo post about a conversation he had with a Zunjie S800 owner. The owner had driven over 5,000 kilome...[Details]
According to the latest financial report data, thanks to its leading position in advanced technology, TSMC's profit performance in the second quarter of 2025 was extremely impressive, with net prof...[Details]
Industrial equipment plays a significant role in improving industrial automation and accelerating production efficiency. Industrial HMIs (Human-Machine Interfaces) serve as a communication platform...[Details]