What is the principle of Tesla coil that can transmit electricity wirelessly around the world? Do you have a circuit diagram? Please tell me, I didn't understand it when I looked it up, haha... Thank ...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:09[/i] We use the ad9851 module, connect it according to the original circuit, and use its original program, but there is no waveform. I don'...
Let's analyze the main reasons why infrared detection alarms cause false alarms and missed alarms. At present, there are mainly the following reasons for false alarms and missed alarms in alarm system...
Android phones are very popular nowadays, how about making a client to access it?Is there a must-have tool for electronic engineers? ![[i] This post was last edited by qinkaiabc on 2013-10-10 10:13[/i...
I designed a s3c2410 board. Through jtag, I can detect the CPU and NAND FLASH. I can burn vivi through NAND FLASH. But the problem is that when I restart, there is no display in DNW, and it seems that...
I used two AD9851s to design and produce an orthogonal frequency sweep source. The signal frequency amplitude of 1~40MHz is between 1~2V. Now I want to stabilize the amplitude at 1.5V. I would like to...
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[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]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[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]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
Analog electronics
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