Interchanging between Armourbit and Robotbit
KOI supports both Robotbit and Armourbit, the only difference is in the initialization.
KOI Initialization

Load KOI Extension: https://github.com/KittenBot/pxt-koi
Loading Extensions
Initialization Blocks:

For Armourbit users, choose “init powerbirck port”.

For Robobit users, choose “init Tx Rx”

There are no difference between the 2 coding wise.
