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...
According to the Korea Times, although South Korea recently announced that it would join the Indo-Pacific Economic Framework (IPEF) led by the United States, the layout of South Korea's semiconductor...[Details]
The Arduino UNO R3 main processor ATMega328P has three types of memory inside the chip: data memory, program memory and electrically erasable programmable memory; each of them has different uses. 1. ...[Details]
I once bought a remote control electric curtain. The original control part used infrared remote control, which had a limited remote control range and was inconvenient to use. For this reason, I mod...[Details]
The application of microcontrollers in electronic products has become more and more widespread. Temperature detection and temperature control are also used in many electronic products. However, th...[Details]
Recently, the list of winners of the Wu Wenjun Artificial Intelligence Science and Technology Award, known as the "highest award for intelligent science and technology in China", was officially anno...[Details]
2MW/8MWh VRFB supplied by Sumitomo Electric for California utility SDGE. Image: Sumitomo/SDGE
Sumitomo Electric will supply a vanadium redox flow battery (VRFB) with an ...[Details]
When developing a permanent magnet synchronous motor control system with DSP as the core, it is necessary to observe various variables in the drive system in a timely manner, and at the same time c...[Details]
#include pic.h #define uchar unsigned char #define uint unsigned int #define add 0xaa __CONFIG(0xc3e4); __CONFIG(0xffff); #define DS1302 RC2 //Define to turn off the DS1302 clock chip so that the RC...[Details]
According to foreign media reports, technology company Rikatec has launched its fourth industrial device of the same name as the company, Rikatec, which can help build a car fault detection informa...[Details]
As Apple itself hinted in an investor note last week, iPhone sales in China have taken a hit as the coronavirus continues to persist. In a new investor note today, UBS, citing official Chinese data, ...[Details]
On December 15, BYD Xiangyang Industrial Park was roaring with machines, and the first blade battery production line with a capacity of about 1.9GWh was officially put into production. BYD's full rang...[Details]
Recalibration of Tecsun Radio
Tecsun
Latest
Receiver owners should be aware by now that
the PL-990x, H-501x, and the latest PL-368 (also sold by CountyComm as the GP7/SSB) of...[Details]
On October 27, the Organization Department of the Liaoning Provincial Party Committee issued a public notice of candidates for leadership positions. Among them: Li Xianfeng, male, Han nationality, bor...[Details]