This book is divided into 7 chapters, which introduce seven types of typical circuits in concise language: ordinary resistor circuits, variable resistor and potentiometer circuits, capacitor circuits,...
Multiple Choice 1. The transistor works in Class B working state, and the conduction angle of the tube is . A) 0 °; B) 90 °;C) 180 °;D) 360 °; E) Between 180 ° and 360 °.2. When the transistor work...
The demand for electrical energy in cars is growing as demand for autonomous driving functions as well as comfort, convenience and infotainment features continues to grow. Today's cars have an increas...
[i=s]This post was last edited by yhye2world on 2019-8-15 15:10[/i]As shown below, RS232 to RS485 passive converter;
The terminal board on the RS485 port side is lost.Now I want to use a DB9 connector...
When debugging MQTT, because multiple modules and the same program were used, it was found that during the debugging process, when one module was online, it would squeeze out the connection of another...
Starting from now - June 16, the channel for exchanging TI points for chip points has been opened. During this period, the full amount can be exchanged according to the exchange rate. After June 24, t...
Hello everyone, I am the president of the Electric Vehicle Commune. If you pay more attention to new energy vehicles, you will find an interesting phenomenon. Every car company that holds a new c...[Details]
Movandi announced that it has implemented a PAAM (Phase-Array Antenna Module) design with more than 300 antennas using TSMC CMOS technology, which can provide breakthrough performance and the scale...[Details]
Robots
The beginning of the year was really crazy
In 2024, the robot industry has received a lot of good news, with multiple billion-yuan financings bombarding one after another, wh...[Details]
1. Install Keil Go to Keil's official website http://www.keil.com/download/product/ to download MDK-ARM and install it. Note that you can change the installation path, but you cannot install it in ...[Details]
This week, I debugged the CAN of STM32 and collected some information from the Internet. Thanks to the original author for his selfless contribution.
Here are some key points:
1. CAN filter
As fo...[Details]
When measuring 802.11ac wideband signals up to 160MHz, engineers must use power measurement instruments with sufficient bandwidth to acquire, analyze, and accurately measure specific 802.11ac burst si...[Details]
On the evening of May 30, Wang Wei, vice president of realme and president of realme global product line, posted on Weibo using realme's new mobile phone. When interacting with netizens, Wang W...[Details]
For Huawei, this is a wise decision. In the field of mobile phone operating systems, Apple's iOS and Google's Android are currently the monopoly. The iOS system is closed and only used by Apple phone...[Details]
JPMorgan analyst Samik Chatterjee predicted in a report on Monday that Apple will launch a cheaper 5G iPhone SE in the first half of 2022, which may be priced at around $399, and will sell about 30 m...[Details]
"The wolf of the power battery industry is coming." Recently, a regular catalog released by the Ministry of Industry and Information Technology caused such a sigh in the industry. According to the ...[Details]
Source: The content is original from Semiconductor Industry Observer (ID: icbank), author: Jiang Siying, thank you! On January 16, 2021, the China IC Conference, an annual high-profile event for fa...[Details]
China's independent maglev technology has achieved significant success in the medium-speed field. Recently, China's first commercial maglev 2.0 train ran at a speed of 160 kilometers per hour on th...[Details]
For the position control of rotating objects driven by servo motors, a sleeve-type electromagnetic rotary transformer plus a complex processing circuit is usually used to realize the angle encoding...[Details]
The motor controller of new energy vehicles is the brain that controls the core power of new energy vehicles, and the core power system of new energy vehicles is the IGBT semiconductor power device...[Details]