The company is making a product that requires the PCB board to pass UL certification. We have found many PCB manufacturers, but all of them have FR-4 boards that have passed UL certification, but alum...
I accidentally saw a website that introduces various languages for calculating arbitrary-precision pi. It includes common programming languages and is shared with everyone.https://rosettacode.org/wiki...
[i=s]This post was last edited by littleshrimp on 2022-1-9 12:21[/i]I encountered edge triggering and trigger position when I first used it, but I didn't use it because it was not necessary. This time...
[i=s]This post was last edited by alan000345 on 2018-12-17 10:28[/i] The demand for increased power and reduced size of AC-DC adapters for mobile devices such as smartphones is contradictory. Power IC...
In recent years, NFC has been increasingly used in smart mobile devices. It can be equipped not only on smart phones and smart watches, but also in small smart bracelets. We use it more and more frequ...