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...
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[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]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[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]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
If a car stereo could play multiple CDs, then such an in-car entertainment system was an advanced system configuration. Today's in-car infotainment systems are complex embedded subsystems that combine...[Details]
3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]
Workers in garment factories usually turn on the power of the sewing machine motor as soon as they get to work and do not turn off the sewing machine power until they get off work. In fact, during ...[Details]