It is impossible to hire a nanny in the dormitory, but we can design an electronic dormitory nanny by combining Bluetooth and single-chip microcomputer. In the morning, the system alarm will remind us...
I have drawn a diagram with two grounds, GND and GND1. How should I apply copper? Should I apply copper in different areas according to the distribution of the two grounds, and connect them to differe...
I modified the camera driver based on the original Samsung driver (the application was almost unchanged, and the demo that came with the BSP was used). After modifying the corresponding settings, the ...
[i=s] This post was last edited by Brother Meng Yi on 2015-7-20 13:06 [/i] [align=left][font=宋体]Foreword: The shift register IP core seems to have been inconspicuous, and many beginners don’t know abo...
0000]//添加的DEBUG[/color] Microsoft Windows CE Bootloader Common Library Version 1.4 Built Mar 26 2009 22:59:02 Microsoft Windows CE Bootloader for the Samsung SMDK2440 Version 2.4 Built Mar 31 2009 run...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[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]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
introduction
Temperature and humidity are the main environmental parameters of industrial and agricultural production. It is of great significance to measure them accurately and timely. Using a s...[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]
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]
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]
The situation of "excessive neutral current" mentioned here means that when the three-phase load is balanced, the neutral current is still too large, and the neutral current is more than 1.5 times ...[Details]