Hello, I would like to ask the experts about CD4013BM. When the feet are bent into a straight-insert test on the breadboard, a two-color touch switch (red and green) can work normally. When the compon...
MOS tubes can be used for isolation, and diodes can also prevent backflow. So what is the difference between using MOS tubes for isolation and diodes for isolation, or can both be used?...
[i=s]This post was last edited by bigbat on 2022-10-6 10:02[/i]Due to the conflict between PCB Editor and the Chinese input method, as long as characters are input in PCB Editor, a BUG will be trigger...
C1 and C2 are both constants. Just follow the arrows to replace the left-hand equation with the right-hand equation, which is the RX and RY solution formula, except that RX and RY are both known const...
The purpose of applying for the evaluation board of National Technology was actually to use its 5MADC, but due to work reasons, I have not had the time to make the PCB board. However, I did not use th...
[align=left][/align] [align=left][size=5][color=#ff8c00]This is the frequency band of China Unicom of WCDMA[/color][/size][/align] [align=left][/align] [size=5][color=#ff8c00]Natural cooling or air co...
The rapid development of portable medical devices around the world is not only making it easier for consumers to get help from medical technology, but also providing end users with technologies t...[Details]
1. Warning command in makefile: Use -Wall, not all uppercase or lowercase. If all lowercase, the following error message will appear: arm-none-linux-gnueabi-gcc: unrecognized option '-wall' 2. Th...[Details]
Abstract: The reference design provided in this article is used to implement an APD bias supply and its current monitoring. Based on the MAX15031 DC-DC converter, the circuit can convert an input v...[Details]
After months of beta testing, OnePlus is now rolling out the OxygenOS 12 stable update to OnePlus 9 and 9 Pro users around the world. The new version of OxygenOS 12 update brings UI updates a...[Details]
A few days ago, I went back to school to debug a program based on 407. In the past, I would rewrite other people's programs and not care about other things as long as I could achieve the desi...[Details]
When talking about Meizu, many people have a special feeling for this brand. It started out as an MP3 player. From the launch of its first mobile phone M8 till now, it has not had any eye-catching ma...[Details]
The original Chinese name of laser is "雷射" or "莱塞", which is the transliteration of its English name LASER. It is an abbreviation composed of the first letters of the English words Light Amplificat...[Details]
Samsung is about to release the Fan Edition (abbreviated) version of the Galaxy S20 series smartphones in the next few months, and there have been some leaks about the phone earlier. Today, Wi...[Details]
According to news on May 29, at the "Brain-Computer Interface Innovation and Development Forum" held today, Zhao Zhiguo, chief engineer of the Ministry of Industry and Information Technology, introdu...[Details]
On August 9, 2017, the 1 billion Ah power lithium battery factory project of Huaqi Battery (Zhejiang), a subsidiary of Sidu Holding Group, held a grand groundbreaking ceremony in Songyang County, L...[Details]
0 Introduction
Brushless DC motors are a new type of motor that has developed rapidly and been widely used with the development of power electronics technology and high-performance permanent ma...[Details]
In the future, as self-driving cars roam the highways, we may consider adding new features such as 5G streaming, mixed reality mapping, vehicle-to-vehicle (V2V) gaming, and in-car retai...[Details]
The most common problems when measuring 220V mains electricity with an oscilloscope: 1. Tripping during measurement; 2. People accidentally get electric shock; 3. The oscilloscope burned during measu...[Details]
It is often assumed that components of electric vehicles would be state-of-the-art, and charging barriers are no exception. After all, charging a car is a frequent, daily necessity. Charging operat...[Details]