I'd like to ask for advice from experts who have done GPRS Internet access development based on NDIS in Windows CE. The more commonly used method is PPP, which uses mux virtual serial ports, one for R...
[i=s]This post was last edited by cardin6 on 2017-9-8 18:40[/i] I have been making this machine intermittently (I won’t post pictures of the machine yet). Finally, the test is completed, but why don’t...
I want to call an external program through a button event, but there is always an error code as follows Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Bu...
The mini2440 development board has two startup modes, one is to start from Nor Flash, the other is to start from Nand Flash.When we started to learn to write an assembly program for LED key query buzz...
What details should I pay attention to when reading and writing EEPROM? My EEPROM is written according to the timing diagram. I write data in and read it out. There is no problem with bit operations. ...
The S5pv210 uboot has been compiled for a long time, and some gui functions have been added recently, but the compilation actually has the following error, why? ! /usr/local/arm/arm-2009q3/bin/arm-non...
UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]
In the early 1990s, portable phones were all the rage. With the rapid development of electronic technology, today's mobile phones can not only send emails and text messages, but also take photos, ch...[Details]
The radio frequency identification (RFID) market is experiencing strong growth, with sales reaching $1.7 billion in 2004 and expected to reach $5.9 billion in 2008. This surge in demand is driven b...[Details]
Sensors have made inroads into automotive, medical, industrial and aerospace applications. But you may not see anything changing yet. Growing demands for safety, convenience, entertainment and efficie...[Details]
Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the follow...[Details]
Introduction
The market for wireless telemetry products is developing rapidly. Recently, the industry has also set off a revolution in wireless applications. Wireless telemetry technol...[Details]
With the rapid development of computer technology, embedded image systems are widely used in office equipment, manufacturing and process design, medical, monitoring, sanitary equipment, transportat...[Details]
Over the past 15 to 20 years, automotive power MOSFETs have evolved from an initial technical topic to a thriving commercial sector. Power MOSFETs were chosen because they can withstand transient ...[Details]
At present, the IEEE802.11 wireless LAN standard is widely used in voice communication, wireless office and other fields, but it is still mainly limited to wireless communication on general platfor...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its exc...[Details]
Preface
In the analog era, due to the unchanged specifications and relatively simple device connections, as well as users' low requirements for image quality, the relatively simple environment...[Details]
Abstract This paper
introduces a wireless radio frequency transmission chip nRF9E5 based on 8051 core. The remote control system of flapping-wing micro-aircraft is made by using this chip. Th...[Details]
With the rapid development of my country's power industry, the power system has higher requirements for the collection of power generation, transmission, distribution and consumption. As a prerequis...[Details]
Abstract:
Online dynamic signature authentication is increasingly used in various fields, especially in banking and financial systems and personal identification. As the basis of online signa...[Details]
Embedded System
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