I've been quite busy recently, and I noticed that there haven't been many new posts or replies in a few days... Are you all busy with the World Expo?...
Question 1: My WinCE 5.0 device has a very loud system startup sound, a touch screen click sound, and the sound of my own music playing (the volume in the control panel is set to maximum). However, wh...
The power just went out for about 10 minutes. This is the first time this year that there has been a power outage without notice (the annual line maintenance will give advance notice)
After the power ...
As a natural human-machine interface, voice can make the in-vehicle navigation system safer and more user-friendly. Through the functional comparison of domestic and foreign in-vehicle navigation s...[Details]
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 some warehousing management, manufacturing, meteorological observation, scientific research and daily life, the requirements for temperature and humidity are common. For example, the "Interim Pr...[Details]
Obtaining real-time and reliable traffic information has always been a bottleneck problem in the development of intelligent transportation systems. The establishment of an intelligent transportatio...[Details]
The hardware circuit principle is shown in Figure 1. In the specific design, each part should consider the anti-interference problem to minimize the impact of interference on the performance of the...[Details]
Abstract: Based on the research of the communication process between the reader and the RFID tag, combined with the EPC C1G2 protocol and ISO/IEC18000.6 protocol, a digital circuit of RFID tag appl...[Details]
In order to ensure the reliability of the driving assistance system and the basic functions of the car, and also to leave suitable connection interfaces for the car's future new entertainment and ...[Details]
The discipline of HHCE (Home Health Care Engineering) is gradually entering people's lives as people pay more attention to health and telemedicine develops. It advocates the concept of "seeking m...[Details]
In the WTK22wtklibdevicesDefaultColorPhoneDefaultColorPhone.properties file in the WTK directory, there is a line touch_screen=false. Change it to true.
MIDP2.0 has three touch screen methods:...[Details]
Although the human eye is very good at distinguishing colors, different people can describe the same color differently, which means that verbal descriptions are not enough in applications that requ...[Details]
The full name of RFID is Radio Frequency Identification, which uses radio frequency to realize data transmission between programmable controller (PLC) or microcomputer (PC) and identification, ther...[Details]
Agilent Technologies Inc. has announced a new Unlicensed Mobile Access/Generic Access Network (UMA/GAN) test capability on 3GSM that is both extremely affordable and easy to use. The industry's fi...[Details]
The main factor causing cost variation in digital display devices today is the display screen. In the design phase, continuously promoting platform-based display design decisions can greatly reduce...[Details]
System engineers are under pressure to reduce costs and improve board reliability. An often overlooked response is to reduce the number of components used to monitor power supplies for FPGAs, micro...[Details]
Use physical methods and electronic technology to automatically detect intrusions occurring in the monitored area, generate an alarm signal, and assist on-duty personnel in notifying them of the ar...[Details]