I want to systematically learn about wireless technologies, including Bluetooth, ZigBee, and WiFi, mainly including the understanding of the protocols, driver software development, and how to develop ...
I want to develop a short message program on a PDA. The PDA I bought has a CDMA module. I want to write a program that can send and receive short messages after inserting a Unicom card, and store them...
[list]Article Abstract: Wireless technology projects are now used in more and more critical places, such as military, defense, security, medical and so on. Wireless speed and rapidity have become the ...
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[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]
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]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[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]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[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 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 installation locations of DC-DC converters are relatively scattered. DC-DC converters can be found on the power board, main board, logic control board and other circuit boards of PDP color TVs....[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]
1. Driver IC Product Range
IR provides users with a variety of driver integrated circuits from single-phase to three-phase bridge. All types use highly integrated level conversion technol...[Details]
1. Introduction
Industrial fieldbus technology is one of the technologies that has received the most attention in the automation industry in recent years, and it has brought a qualitative leap...[Details]
Typically, buck regulators are designed for continuous mode operation, which simplifies output voltage calculations and system design. However, if the system is non-synchronous and required to oper...[Details]
Abstract Aiming at the harm caused by mobile phone microwave radiation to human body and the incompatibility between mobile communication network and fixed-line network, a PSTN voice gateway using ...[Details]
In the servo drive system, the brushless DC motor (BLDCM) is a new type of continuously variable speed motor. It has the advantages of simple and reliable structure, convenient maintenance, high opera...[Details]