I have a Loongson 1 development board based on Haishan dev3210. When porting it to linux-2.6.22.6, I encountered the problem that the serial port could not be initialized normally, resulting in the in...
My graduation project is to make a power supply with an output of positive and negative 12V and an output current greater than 1.5A. I chose lm2576, which can get a positive 12V output. However, pin 2...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i] [color=black]Author: Emma Lu, Jacky Deng Guiyu, Shantou, is a place of mixed joy and sorrow. Since the early 1990s, electronic w...
[size=16px][b]Does anyone know what tools and languages are used to develop the operating systems of electronic products such as MP3, digital cameras, and projectors? If I want to learn program develo...
[i=s]This post was last edited by jinglixixi on 2022-9-13 23:28[/i]The preparations for Bluetooth communication on the development board have been introduced before. This time, we will test the commun...
I am new to Linux. Can you recommend some books? I am not used to reading e-books now. I hope some experts can recommend some good books for beginners. Thanks....
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]