A netizen shared this picture. I looked at it and felt a little confused.
The problem is as follows:
1.LM393 is an amplifier, so the output should be pulled up, but in the figure it is connected back ...
Dear teachers,
Last year, my teacher gave me a power supply, which has been lying idle and gathering dust. Suddenly, I wondered if I could use it to charge a 48V electric vehicle. Can I use it directl...
Is it 100BASE-T1, 1000BASE-T, 100BASE-TX, 10BASE-T or 10BASE-Te? For those who are not well versed in Ethernet physical layer (PHY) terminology, it can be difficult to evaluate the various types of te...
Hardware vulnerabilities can affect the security of computers, medical devices, and systems. Secure enclaves and trust roots are not enough. Computer security researchers have disclosed two major pro...
Many people have discovered that frequency converters can damage motors. For example, in a water pump factory, in the past two years, its users have frequently reported that the water pumps were da...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
After reading the introduction to the product performance and corresponding package pins of PIC 8-bit microcontrollers in this edition, I think that beginners need to understand the meaning of each p...[Details]
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Function: Adjust the potentiometer labeled AD0 on the experimental board to change the voltage, and transmit
...[Details]
Multiple media outlets reported that a report released by Strategy Analytics showed that in February 2020, Xiaomi's global shipments exceeded Huawei, ranking third after Samsung and Apple. ...[Details]
1. Introduction
EEFL is the abbreviation of External Electrode Fluorescent Lamp. Its structural feature is that there is no electrode inside the lamp tube. In addition to the working gas...[Details]
Infineon Technologies AG released its performance data for the third quarter of fiscal year 2021 (ending June 30, 2021). Profitability and free cash flow are in good momentum, and revenue is rising ...[Details]
According to foreign media reports, Innoviz Technologies, a leading supplier of high-performance solid-state LiDAR sensors and perception software, announced the launch of the automotive high-percept...[Details]
Textile is an important pillar of my country's national economy and an important source of export and foreign exchange earnings. Modern weaving equipment is the guarantee of high-quality and high-y...[Details]
Driven by the wave of electrification and intelligence, the architecture of automotive electronics and electrical appliances is becoming more and more complex, which places high demands on chip des...[Details]
Before falling asleep, some people replay the things they experienced during the day in their minds. The more they want to fall asleep earlier, the more they can't fall asleep. If there is a natural,...[Details]
On the evening of January 3, Aesop released its 2020 annual performance forecast. It is expected that the operating performance will rise in the same direction, with net profit attributable to shareh...[Details]
Multi-output
power supplies
generally use a closed-loop PWM
control
method for one output, while other auxiliary outputs use indirect voltage regulation. Since only the main output ...[Details]
CAN bus (Controller Area Network) is a fieldbus communication protocol used in the automotive and industrial automation fields. It has high reliability, real-time and flexibility, and is widely use...[Details]
With the popularity of mobile devices such as laptops, mobile phones, and PDAs,
the development of
integrated circuits
corresponding
to
various battery
power sources
is becoming...[Details]
Analog electronics
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