The documentation (and the datasheet) mentions that most of Maple rev3's GPIO pins are 5V tolerant, but is there a human-readable documentation somewhere about which pins on the Maple board *are not*? I realize that I can get that info from the datasheet, but how can I map the STM32's pins to pin numbers on the Maple board, short of looking at the board schematic (which is pretty tedious)?
Thanks!
perry
Administrator
hey dude,
i use this table pretty frequently:
http://github.com/leaflabs/libmaple/blob/master/notes/pin-mapping.txt
note: it might have some minor errors. also D38 is grounded on the maple r3, not PC9.
Actually I think it is PC9 and is connected to the BUT button; the header formerly labeled as 38 is GND, but
pinMode(38,INPUT_PULLUP); digitalRead(38)definitely works.
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