BerkeleyHCI/PolymorphicBlocks

Add stepper driver part

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Adafruit likes TB6612. Sparkfun also uses TB6612, along with a few other options, TC78H670FTG with microstepping, A3967 with microstepping (codesigned), A4988 with microstepping (codesigned).

We have the DRV8833 dual-pack H-bridge = one bipolar stepper driver, though it needs to be adapted to a stepper driver interface.

  • Add A4988 part
  • Make DRV8833.sleep optional