CircuitPython Pin Finder: microcontroller.pin to board mappings

code.py

# SPDX-FileCopyrightText: 2020 anecdata
#
# SPDX-License-Identifier: MIT

import microcontroller
import board

for pin in dir(microcontroller.pin):
    if isinstance(getattr(microcontroller.pin, pin), microcontroller.Pin):
        print("".join(("microcontroller.pin.", pin, "\t")), end=" ")
        for alias in dir(board):
            if getattr(board, alias) is getattr(microcontroller.pin, pin):
                print("".join(("", "board.", alias)), end=" ")
    print()

Pico W:

# SPDX-FileCopyrightText: 2023 anecdata
#
# SPDX-License-Identifier: MIT

import microcontroller
import board

try:
    import cyw43  # Pico W
except ImportError:
    cyw43 = None

for pin in dir(microcontroller.pin):
    if isinstance(getattr(microcontroller.pin, pin), microcontroller.Pin) or \
       (cyw43 and isinstance(getattr(microcontroller.pin, pin), cyw43.CywPin)):
        print("".join(("microcontroller.pin.", pin, "\t")), end=" ")
        for alias in dir(board):
            if (getattr(board, alias) is getattr(microcontroller.pin, pin)):
                print("".join(("", "board.", alias)), end=" ")
    print()