Can the AQY221N2V from Panasonic on Taobao be used? The price I saw on ickey is 50-60 yuan per piece, but on Taobao it's only 2-3 yuan. The one on ickey is really too expensive, but are the two or thr...
1. Basic method of making printed circuit boards 1. Use carbon paper to copy the wiring diagram to the copper-clad wall: Before copying, you should use a file to file the edges of the copper-clad boar...
The battery charging state management project was nearing completion some time ago. Considering the trial of the Cyclone V board, it is troublesome to replace it and it will be returned after a while....
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i]
Design a washing machine washing program controller to control the washing machine's motor to operate in the following regular p...
This is the first technical seminar launched by Huaqing Farsight Embedded Training Center after May 1st. There will be two more special lectures on high-speed embedded and embedded Linux in July and S...
[align=left] I have a long history of using mobile phones. I started showing off my mobile phone when I was in school (the total number of mobile phones on campus at that time was definitely not more ...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[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
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[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 capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
Analog electronics
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