The output of the op amp is connected to the FB of the driver IC to control the output voltage. However, after the circuit is powered on, the op amp always outputs 3.3V, resulting in a completely inco...
Freescale has been acquired for a while. We know that Freescale's products are actually well made. The price seems high, but it's actually OK. ST's products are very cheap, but the documentation is ve...
Abstract: Based on the first-hand information obtained during a recent visit to Russia , the author briefly describes the development of Russian satellite communication technology, focusing on the "Fl...
In the past few days, the news that ZTE was "banned" by the US Department of Commerce has triggered widespread reflection and concern in various domestic industries about the lack of independent co...[Details]
International Solar Photovoltaic Network News: Chinese inverter company Sungrow announced that it will build a 3GW photovoltaic inverter manufacturing plant in Bangalore, the capital of Karnataka, ...[Details]
"Originally, there are many people who can design very good
chips
, but the market does not give domestic
chips
the opportunity to iterate, and domestic companies cannot give engine...[Details]
After searching a lot of information, I finally understood the time base timer. I did not use any library functions but operated the registers directly. The following introduces the systick in STM32...[Details]
When Amazon launched its first
cloud computing
service, the outside world was not optimistic about this direction, as it had high investment, low profits and many uncertainties. Let's follo...[Details]
introduction STM32 has many registers, which are difficult to remember, so the official packaged two sets of library functions. One is the standard library, but the official has not updated it on F7,...[Details]
This is my first time writing an STM32 program. I have many questions to ask. I want to convert the data of the SO of MAX6675 into the actual temperature and read it out using the serial port tool. I...[Details]
Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]
Since the second half of 2017,
the market share of
quantum dot
displays has dropped significantly, with global sales falling from 3.42 million in 2016 to 2 million in 2017, a 42% decrease; d...[Details]
At present, in the world,
the construction of
smart cities
is in the process of gradually landing from concept, and technology giants and investment giants are important participants in this...[Details]
The adoption rate of serverless
cloud
computing
is gradually increasing, but it has not yet reached people's expectations. Various surveys show that serverless
is
still
an eme...[Details]
The ARM11 (S3C6410) processor is selected as the hardware platform, the embedded Linux operating system is used as the software platform, the background difference method and the frame difference...[Details]
In 1949, after three years of civil war, the Nationalist government was defeated and retreated to Taiwan. The political and academic circles launched a large-scale reflection on why they failed in ...[Details]
Since the 20th century, our data
storage
has evolved from media such as magnetic tapes, floppy disks and CDs to sophisticated semiconductor
storage
chips that can store data in coun...[Details]