A few days ago, a student who was working on embedded systems came to me and said that his GPRS module always had problems that could not be solved. The GPRS module was G24. The first version had been...
0 Introduction Images are records of the world by natural biological or artificial physical observation systems. They are a form of information recording using physics as a carrier and a medium. Image...
In the previous design, I haven't had a very detailed understanding of the modification of parameters. Now I will try to modify it to 3 series and 3 parallels to see the effect. I can still choose the...
[b][size=6][color=#ff0000]Final chapter...Updated to 2013.10.30 - 22:17 [/color][/size]Warm reminder, the projects and source files involved in each part of this article can be found in the download l...
[size=4][color=#ff0000] Event time[/color]: May 1st - May 31st, 2018 (one issue per month, the 3rd issue of the revision)[/size] [size=4][color=#0000ff]Selection scope[/color]: DIY example posts, tech...
I wrote a PDA query program using VB.NET. I imported the data on the desktop into an ACCESS database and copied it into the PDA as a query basis. Now I have a question: how can I connect to the ACCESS...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]