Due to stock issues, adjusted IMUs and add multiplexer to handle multiple I2C devices; and more...

Finished BOM

Stash of changes before pulling Richard's changes

Added some more parts to the BOM. Almost done, but have to get going.

Added a buffer for reading digital signals. Will add a pinheader tomorrow. Also added LEDs to indicate power. Still need to finish the BOM and then connect all devices to the MCU.

Rearraged come of the circuits and added new circuitry for the stepper motor driver.