I downloaded a device package online. After making the PCB, I found that there were no pins and no solder mask, and there was a layer of green paint on it. Is there any good way to remove the green pa
Using STM32F103 as the microprocessor, a low-cost wireless WiFi music player system was designed. The WM-G-MR-08 (wm631) module that receives WiFi data and the VS1003B audio decoder were combined to r
[i=s] This post was last edited by Lazy Cat Love Flying on 2021-8-4 11:49[/i]I have basically finished reading this book. For beginners, it is enough. If you don’t like reading books, you can scan the
[size=4][color=#000000][backcolor=white] At present, the on-chip RAM of DSP is getting bigger and bigger. To design an efficient DSP system, you should choose a DSP with a larger on-chip RAM. [/backco