+* **circuitpython_typing** - Subset of types for C-level protocols
+* **digitalio** - digital input/output pins, using pin identities from board+microcontroller packages
+* **keypad** - support for scanning keys and key matrices
+* **microcontroller** - chip-specific pin identities
+* **micropython** - MicroPython-specific module
+* **neopixel_write** - low-level interface to NeoPixels