I have done 1 or 2 EVC development projects. They are basically industrial control, that is, the touch screen controls the hardware to complete some actions. Users are always a little dissatisfied wit...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:01[/i] It was learned from the launch ceremony of the 2011 China Home Appliances Expo that the home appliance expo, which has been succ...
It's like this. I wrote a DLL and put it on the phone. (No need to consider the CPU problem, because I wrote it on the POCKET PC 2003 platform) Then I used CeRapiInvoke to connect on the PC. But it al...
I just started to get involved in communications, and I would like to ask you experts a question. I hope you will not criticize me and answer me patiently. Thank you in advance! My question is, I want...
Recently, I have a project that requires peripherals with 5V and 3.3V. The main control is 3.3V, and there is a screen powered by 5V. The current is about 300+mA. The lithium battery is a single-cell ...
As a branch of signal and information processing, digital signal processing has penetrated into various fields of scientific research, technological development, industrial production, national defens...[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]
Preface
TD-SCDMA mobile communication standard is the world's third-generation mobile communication standard with independent intellectual property rights in my country. It has become a highli...[Details]
As the demand for wireless and wired services in the communications market continues to grow, the telecommunications industry recognizes the need to break away from the shackles of proprietary or p...[Details]
Popular consumer electronics products such as game consoles, digital televisions (DTVs) and personal computers are becoming more and more versatile and feature higher performance. The enhanced data...[Details]
0 Introduction
Today, with the rapid development of electronic technology and the emergence of new multifunctional electric energy meters, the choice of memory in the electric energy m...[Details]
Broadband services supporting triple play voice, video and data are evolving for first mile customers (small businesses and homes). A key factor in this FTTx evolution is GPON (Gigabit Passive Opti...[Details]
When using GPS for positioning, it will be affected by various factors. The factors that affect the accuracy of GPS positioning can be divided into the following four categories (see the figure be...[Details]
This article will discuss a common problem in wireless mobile data reception.
Problems facing RF receivers
The common problem faced by RF receivers is that the same hardware must be used ...[Details]
AD604 is a product of Analog Devices (AD). Compared with similar products, AD604 has the characteristics of ultra-low noise, high precision, continuously adjustable gain, and the decibel (dB...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
Anyone who has owned a laptop computer will have noticed that when running on battery power, their portable device behaves differently than when running on AC mains power—the display dims, the proc...[Details]
Touchscreen interfaces are a popular technology for industrial and commercial computer systems. Touchscreen technology eliminates the need for a keyboard or traditional mouse, instead enabling simp...[Details]
For mobile phone products, using low-cost components in design is only the first step to make the price competitive. The cost of the production process, especially the cost incurred during the fina...[Details]
1 Introduction
Many test systems require real-time data acquisition while continuously moving. If the test process is discontinuous, or the test position is in front and the acquisition is...[Details]