GEC2440 development board hardware composition and hardware function introduction: ◆ Using Samsung's S3C2440, the system runs stably at 405MHz and can reach up to 530MHz; ◆ 64M bytes of SDRAM, compose...
Now the chip prices are rising, and many domestic manufacturers are constantly looking for replacement solutions. Take ST as an example, a chip has increased by more than ten times. It hurts...Recentl...
[backcolor=white][b]Book Introduction of "Android Application Development and Typical Cases":[/b] There are 23 chapters in total, covering two major parts. The first part is the basics of Android prog...
I designed a board using IMX287, and the system runs a WEB server. Now I want to equip the board with a wifi module so that the board has AP function, so that the mobile phone can connect to the board...
Today I am almost stuck on the settings of TA0 and TA1. There is no mention of TA1 in the manual. But when simulating, TA1 has exactly the same registers as TA0, and they are defined in the header fil...
Today I want to replace the previous 2.4 kernel with the 2.6.22 kernel, but it hangs at this place after compiling and burning it! vivi> boot Copy linux kernel from 0x00030000 to 0x30008000, size = 0x...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
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]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[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]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[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]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]