[i=s]This post was last edited by fengxin0303 on 2014-7-16 10:19[/i]Please help me analyze the function of the capacitor in the figure (this figure is the ground processing of the LAN module);...
On WINCE, OTG can be used as a USB SLAVE to connect to PC, and can be connected to a USB flash drive or USB mouse through an external OTG-USB HOST cable. The distinction is made by whether the 4th pin...
I encountered a problem at work. The control software on the device works under Windows, but there is an IO sampling unit based on 71055 on the system. The control software can determine the working s...
[p=24, null, left][color=rgb(62, 62, 62)]Lithium battery[/color][/p][p=24, null, left][color=rgb(62, 62, 62)]A battery with lithium as the negative electrode. It is a new type of high-energy battery d...
As an electronic engineer, we have to read a lot of information every day. Now it costs a lot to buy books in bookstores, so e-books have become our first choice. We also need to read a lot of datashe...
It is undeniable that I was fooled. Those who do not understand history are doomed to repeat it. --J. Onions, RFC 1606 The competition between the OSI model and TCP/IP lasted for more than a decade in...
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
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]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[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]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[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]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
Infrared remote control is widely used in home appliances, but the remote controls produced are not compatible with each other. The universal remote controls commonly seen on the market can only co...[Details]
1 Introduction
Fieldbus is a serial, digital, multi-point communication data bus between field equipment/instruments installed in the production process area and automatic control devices/syst...[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]