The 125khz card reader originally used a 125khz 3-axis magnetic core coil. The chip can use only one coil input of the antenna. Each channel receives with a 1mv sensitivity. Now according to the proje...
I've been learning AVR microcontrollers recently and it's fun. Now I'm slowly contributing my study notes, source code and proteus simulation of AVR microcontrollers. I can upload them once every one ...
[font=楷体, 楷体_GB2312][size=14px][size=5] [/size][/size][/font] [align=left][font=Tahoma,]To make a compressed image file of the Linux kernel, you need to use the mkimage tool. The mkimage tool is locat...
[i=s]This post was last edited by jishuaihu on 2014-12-24 09:16[/i] The air in the north is relatively dry in winter, especially indoors, which makes people feel very uncomfortable. Of course, you can...
[color=#494949][backcolor=white][font=Verdana, sans-serif][size=4]ARM mbed is an industry collaboration project designed to support the development of the Internet of Things and meet the needs of a ne...
Does anyone know the difference between the STC series microcontrollers and the AT series microcontrollers? What are the differences in circuit design? For example, STC89C52 and AT89C51, are the progr...
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]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[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]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
Fairchild's FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters that can drive two individual SR MOSFETs emulating the behavior of rectifier diodes. FAN62...[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]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
Previously used primarily in high-power power supplies and large industrial and consumer power supplies, supercapacitors are now finding their way into products of all sizes, especially portable de...[Details]
First, the choice of charging location. Wireless charging technology is related to the distance and state of the charger and the charged device. That is to say, the distance between the two cannot...[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]
With the development and application of liquid crystal display technology, more and more developers want to use liquid crystal screens to display Chinese characters in the instruments and equipment th...[Details]
1 Introduction
When studying electronic courses such as "Electronic Circuits" and "Signal Processing", college students only understand the real signal characteristics in theory. They cannot r...[Details]
After removal, the robot uses an NI 1722 smart camera to randomly inspect for surface defects such as cracks, dents, scratches, and machining marks on the surface.
challenge:
...[Details]
RF/Wirelessly
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