[backcolor=rgb(239, 245, 249)][size=14px]Engage in DCDC technology development in the field of new energy vehicles, requiring a bachelor's degree or above in power electronics, with experience in the ...
Asking for a friend who is an electrochemist. When measuring the battery voltage, he found that the multimeter measured 2.7V for the positive and -2.7V for the negative. This is correct. However, when...
In Quartus, how can I encapsulate my own Verilog module into an IP core or similar black box to prevent accidental modification and allow it to be used by others (but I don't want others to see the so...
There are 3 types of TI chips. Can anyone tell me the specific models? 1. 14-pin TI chip, silk screen is 89A55 HM 2. 14-pin TI chip, silk screen is 09C098 3. Silk screen is 39A00L NK245...
When I was repairing the board, I found that the 4.7 ohm resistor was short-circuited when measured with a multimeter. I also found it was short-circuited when I disassembled it, but the measured valu...
Haha, the DIY three-dimensional acceleration sensor https://bbs.eeworld.com.cn/thread-106874-1-1.html was just an idea that a few friends came up with.As a result, I just gave Galaxy a Taobao link tod...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
The biggest advantage of Profibus is that it is guaranteed by the stable international standard EN50170 and has been proven to be universal in practical applications. It has been widely used in man...[Details]
The programmable controller directly controls the stepper motor, which can significantly reduce the cost of the control system of the modular machine tool automatic production line. The article int...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
1. Why do we need to do electromagnetic compatibility design for products?
Answer: To meet product functional requirements, reduce debugging time
,
make products meet the requirements o...[Details]