Wenhao Wu
According to the PMBUS 1.3.1 version protocol, Section 2, Part 8.2, this article will briefly describe how to dynamically adjust the output voltage through VOUT_COMMAND. This method is appli...
[size=4]Basic Concepts[/size] [size=4] [/size] [size=4]01 [/size] [size=4]The important difference between analog signals and digital signals in terms of anti-interference ability: [color=magenta]Digi...
I want to collect external music, sound and other signals into a single-chip microcomputer (AT89S51), with a sampling frequency of 44.1KHz. What operational amplifier and AD converter should I use?...
Good stuff, of course, I want to share with you all. This is my latest Linux driver development basic tutorial. I have been learning Linux for 5 years and now I am considered a mid-level or senior Lin...
Bypass capacitor is not a theoretical concept, but a frequently used practical method. In the 1950s and 1960s, this term had its own unique meaning, but it is not used much now. Electron tubes or tran...
After reading Ti's documentation, I still don't understand it clearly. In the end, I can only write the absolute path, which includes the drive letter, but it's still not very good.The current situati...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[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]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
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]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]