There was a typhoon and heavy rain in the past two days, but fortunately the things were packed tightly and nothing went wrong. The letter from EEWORLD is so warm!!! So touching!!! I often visit EEWOR...
There are still a few days before the Chinese New Year. I went home to worship my ancestors recently and took a few photos with my mobile phone. The "Find the New Year's Spirit" activity requires 3 ph...
When using ARM to directly read the TLC2543 AD chip, the conversion results all start at 4 bits, that is, the first data is 1000, and the second data is not 996 or 1004. Other data such as 1001, 1002,...
[i=s] This post was last edited by yuanlai2010 on 2014-10-12 14:11 [/i] [align=center][color=#ff3300][font=华文楷体][size=5][size=18pt][b]fedora20 [/b][/size][/size][/font][font=华文楷体][size=5][size=18pt][b...
by ni_labview I saw an article and reposted it to share with you: [b]Analog design can be old but not decayed[/b] A quiet life does not need any more waves. I am about to enter my forties and will no ...
Does anyone have information on how to use a microcontroller to control an LCD display? It would be better if you can provide the program and control instructions. If possible, please send it to my em...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
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]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[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]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[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
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
MCU
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