[align=left][font=宋体][font=Verdana][size=4][color=#000000]With the development of society, the reform of the medical system, the media's publicity, the people's legal awareness has been greatly streng...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:56[/i]The circuit is shown in the figure. It consists of a DC voltage regulator circuit, a delay circuit, an overvoltage and undervolta...
I want to ask you how to design an IC card interface driver that complies with the ISO7816 standard. What is the principle? I want to make an IC card reader/writer on ARM7. The card is contact-type. H...
[align=left][font="][size=5][color=#ff0000]Note: This post is forwarded for others to share. I have no experience in high-speed wiring. Save it first. [/color][/size][/font][/align][align=left][color=...
[font=微软雅黑]I am making a photon correlator and want to transfer the collected data to PC via the USB of STM32F1 series. However, I heard that the USB speed of STM32 is difficult to reach 1MB/S. I woul...
I am now using TI's OMAPV1030 and encountered a puzzling problem. The physical address of this chip is as follows: 0x0000 0000 - 0x0000 5FFF 24K ROM code ... 0x0C00 0000 - 0x0FFF FFFF 64M nand flash ....
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]
With the rapid development of the IT industry, the demand for small DC cooling fans with PWM control (hereinafter referred to as fans) used in electronic products is increasing. This type of DC fan...[Details]
1 Introduction
Max+PlusⅡ is an integrated FPGA/CPLD development environment provided by Altera. It can independently compile simple VHDL programs. However
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the
automatic elevator contro...[Details]
0 Introduction
In the fields of petroleum, chemical industry, metallurgy, electricity, textile, light industry, water conservancy and other industries and scientific research, relevant pressur...[Details]