docs: WeAct F411 'blackpill' PB4 note
Documentation URL
No response
Description
Even on V3.1 boards do not try to use PB4 without redefining it as Pout and a low before trying to use it. Maybe,a note in the README.md not use this pin along with PA4, PA5, PA6 and PA7.
Code of Conduct
Yes, I agree
stm32/WEACT_F411_BLACKPILL: Add WeAct F411 'blackpill' board.
Summary
Adds board profile for the WeAct F411 v2.0 'blackpill' which is a quite popular low cost stm dev board.
This board also has optional spiflash so can be purchased in a few different configurations. I've added a variant for 4MB flash.
Existing board profiles for F411 don't work on this board as it's built with a 25Mhz crystal.
This was built on top of https://github.com/micropython/micropython/pull/5642 refactored and updated for current compatibility.
Testing
I've used builds from this on two BlackPill boards I own, one with loaded flash, one without