The Safe City Project is an urban security project that the state vigorously implements and promotes to maintain social public safety. Over the past ten years, the Safe City project with a video surveillance system as the core has initially con…
When designing circuits, engineers may encounter systems that require negative voltage power supply, such as using negative voltages to provide negative turn-off voltages for IGBTs, and op amp systems using positiv…
In recent years, smart home is no longer a product that can only be seen in Bill Gates's home. With the continuous improvement of people's living standards, smart homes have gradually become civilians. Strategy Analytics recently releas…
Orange street lights are familiar to many people, but the Flanders in Belgium will turn into a blue-and-white LED street in the next few years, hoping to improve road safety with higher visibility.
According to the Science and Technology Gr…
This article is mainly about the related introduction of svpwm frequency conversion speed regulation, and focuses on the detailed introduction of svpwm and SPWM.
SVPWMThe main idea of ​​SVPWM is to use the three-phase symmetrical sine wave voltage …
At the just-concluded InfoComm 2018 exhibition, the two major brands of Zhongke Jiguang and China Hualu both displayed laser TVs with three-color light sources. The outstanding color performance of the products attracted the attention of many a…
According to reports, it was learned from the 178th banking industry routine press conference: As of July 26 this year, Bank of Communications has issued a total of 20 blockchain domestic letters of credit with a total amount of 156 million yua…
Author: Benny Har-Even
Although most people are accustomed to using smartphones to play games, for those with a little memory, this is actually a relatively new development. In the era of Nokia feature phones, mobile games like Snake…
With the continuous derivative development of industries such as artificial intelligence, the Internet of Things, and autonomous driving, the smart home industry has also seen a wave of "smart". Recently, the Ministry of Industry and …
Kunlun Zhongda Beijing groundwater level sensor is affordable, direct supply from the factory, fast delivery, new low in the industry, and has the advantages of high accuracy and strong corrosion resistance. Kunlun Zhongda is a dire…
Recently, the United Kingdom, the United States and other countries have successively strengthened investment security reviews. Australia has also announced that ZTE and Huawei are prohibited from participating in 5G network construction. In re…