I did it on the 4412 of cortex A9, and used the gpio port to simulate its communication. A 10K pull-up resistor was connected to the data line sda, but I couldn't read the data and couldn't receive th...
I really want to learn how to program, but I don't know where to start. I hope everyone can give me some advice to help me make progress together. Thank you....
内核用的是官方的,启动信息如下：
platform Initialisatplatform Initialisation finished jumping to kernel.
Linux version 2.6.26-uc0 (stm32@localhost.localdomain) (gcc version 4.3.3 (Sourcery G++ Lite 2009q1-163) ) #2 W...
Use rtl8186 to make a wireless tcp and tcp communication converter, use linux operating system development protocol, we provide some reference code. We provide circuit and hardware system. 168ab@126.c...
vsftpd is the abbreviation of "very secure FTP daemon", and security is one of its biggest features. vsftpd is the name of a server running on a UNIX-like operating system. It can run on systems such ...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:00[/i] 1. The flashing principle of CDMA mobile phone accessoriesWhy do China Mobile GSM mobile phone accessories not flash when hung o...
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]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[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]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[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]
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]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[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]
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]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Linux and Android
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