A person's attire reflects his standardization and professionalism. For example, salespeople wear suits, service personnel wear special clothes, and civil servants wear special uniforms. Engineers oft...
Recently, I wanted to write a Linux-based AT24C08 driver, so I wrote a bare metal driver first. The main purpose is to complete the read and write operations of S3C2440 to AT24C08 through the IIC bus....
[size=4] It is said that this is the "FBI IQ test: answer in 20 minutes to get an IQ of up to 180". [/size] [size=4] [/size] [size=4] *I don't know if it's true or not, but the question is indeed very...
[i=s]This post was last edited by ddllxxrr on 2014-2-19 19:56[/i] When you have nothing to do, put your favorite photos into a digital photo frame. And this photo frame is a development board, which i...
This is my circuit diagram. I originally wanted to make a resistance balancing circuit for series batteries. The left side is the battery input terminal, with 3 batteries in series, and the right side...
I want to make an isolated charger recently. The input of the transmitter is ~220V. The receiver mainly charges a 4.8V NiMH battery pack with a capacity of 800mAH. In order to shorten the charging tim...
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]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[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]
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]
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]
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]
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]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[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]
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]
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]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]