This is simple API in Ruby for TwoWheeler and command line interface build upon this API. Communication is done over Bluetooth using command set implemented on balancer itself.
Just to make a note - Ruby is executed on your computer, balancer accepts only simple command set. Balancing and other actions are computed inside XMOS, not on the computer. Balancer will work just fine without API/CLI using parameters hardcoded in firmware. Yet you can use basic command set without API by connecting directly using Bluetooth serial port.
CLI is based on Pry - great Ruby console. You need pry and awesome_print gems to run CLI (and serialport as requirment of API).
CLI works inside API - every command available in API (documented below) is available in console. As in API, you can use helper commands or directly raw balancer commands (they are translated from Ruby to text).
You still can enjoy power of Ruby language - console just works inside TwoWheeler context instead of default context, so every Ruby feature is available to you.
TODO: Write about twowheeler/tw/balancer/$balancer
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