The concept of solder maskThe solder mask is the part of the printed circuit board that will be covered with green paint. In fact, the solder mask uses a negative film output, so after the shape of th
AD official commonly used component library (original package library, schematic library, PCB library). There are 5 files in total, you can choose to download according to your actual needs.AD compone
The U.S. Department of Justice said on the 8th that they seized more than $3.6 billion worth of Bitcoin (calculated at the time of seizure) stolen from the virtual currency exchange Bitfinex in 2016 w
[i=s]This post was last edited by ddllxxrr on 2022-4-9 17:17[/i]Following the previous post, I wanted to use the serial port to control the playback. I remember it was probably on the day of Qingming