xxx configure MR430 to match MR310
xxx test homing
xxx add LCD or 2 LCDs
xxx DIN rail // cutting board
    pullup / pulldown resistors

    wait for 5 from keyboard
    >> send 5 to eprime
    >> HIGH to homingPin_R & homingPin_L >> delay >> LOW
    >> begin txt / csv
    >> >> read values into file
    >> close file
    repeat x2