[font=宋体][size=14pt]According to the relevant provisions of the National Undergraduate Electronic Design Competition Regulations, the Notice on Organizing the 2009 National Undergraduate Electronic De...
[i=s]This post was last edited by cl17726 on 2017-6-2 12:27[/i] Xianyu Trading:[url=https://2.taobao.com/item.htm?id=552336161377]https://2.taobao.com/item.htm?id=552336161377[/url] In fact, such a hi...
Well... Actually, this is part of an unfinished work... Because I'm too busy at work, I'll take my time. Let me share a small part first. That's today's theme, a large flash. First, let's talk about t...
[i=s]This post was last edited by youxinweizhi on 2018-8-21 10:54[/i] Without further ado, here are the before and after pictures;[b][color=#5E7384]This content was originally created by [size=3]youxi...
[i=s]This post was last edited by ryerwera on 2014-2-8 00:16[/i] :Cry::Cry::Cry: [size=5]As shown in the picture, I can't find the component[/size][size=4]I have tried many times but it's still the sa...
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[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]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[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]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]