Original link: https://atjason.com/daily/2023-05-05.html
In fact, it has been studied before. Considering that it is C language, the compilation environment must be Windows, and it is inconvenient to upload firmware and debug, I gave up several times.
Now the chip selection for the new project is aimed at the lowest price, so I have to pick it up again for research.
Even if it is not used in the end, it should be studied to the extent that it is usable this time, at least as a candidate.
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