[p=24, null, left][color=rgb(31, 31, 31)][backcolor=rgb(255, 255, 255)][font=arial, 宋体][size=14px]Foxconn Group recently proposed to acquire Sharp for 300 billion yen. In an interview, Foxconn Chairma...
[font=宋体][size=4]I am also a Unicom user, and finally saw the internal problem[/size][/font] [font=宋体][size=4][/size][/font] [size=4][font=宋体]Reposted from: [/font][url=http://bbs.c114.net/viewthread....
I use my PC to connect to the mobile phone and dial up the GPRS of China Mobile. I send PPP frames myself. However, after the IPCP process is completed, the server does not respond when I send the fir...
Development board: STM32F10B_EVALuses the STM32 USB routine VirtualCOMPort, select STM32F10xxB as the Device in the project settings, and check run to main. No other changes are made to the routine.Af...
I want to sort out the knowledge of device drivers. As a result, the following error occurred when compiling with the module: Source file: //mydisk.c #include
#include#include
#include
#include
#inclu...
Sensorless control technology has been an important research direction for brushless DC motors ( BLDC ) in the past decade. The core of sensorless control research is the rotor position signal detecti...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[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]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[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]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
Mobile and portable
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