I'm so sorry it took so long, but I finally got it done.
I drew the PCB using PROTEL99SE, and also received help from many people in the group.
For example, Liu Yezhou, last time I accidentally didn't...
The following is my experience in the postgraduate entrance examination, I hope it will be helpful to students who are taking the Tsinghua entrance examination: Main review ideas: Semiconductor physic...
Because Proteus currently supports the STM32F401 chip, you can use it to simulate and run micropython. 1. First add an STM32F401 chip. The model should be a model with a flash larger than 256K, such a...
[i=s] This post was last edited by paulhyde on 2014-9-15 03:12 [/i] I need a 0-360 degree phase shift circuit. It would be best if you can provide the circuit schematic and component parameters. I fou...
Because the video file is not small enough to upload directly, I applied for a QQ mailbox again and put it in the transfer station. Login address:https://mail.qq.com/cgi-bin/loginpage?t=loginpages=log...
Currently, more and more home appliances are shifting from low-speed dial-up Internet access to broadband Internet access or Internet Protocol Television ( IPTV ), especially IPTV is expected to gain ...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[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]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[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]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[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]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
DIY/Open Source Hardware
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