Tessel Key

Tessel Key aims to be a fully configurable NKRO keyboard software for the Tessel microcontroller.

Present Tessel as a keyboard to a USB host
- Ideally, (optionally) present itself as multiple keyboards to bypass USB 6-key limit
Present Tessel as a keyboard via Bluetooth module (lower priority)
Run express + socket.io on Tessel, provide Web UI to:
- Map GPIO pin to specific NKRO row or column (hopefully 1 time configuration)
- Map row + column combination to specific key
  - Ability to edit/save/load profiles
- Set up macros (lower priority)
- Layout keys physically (drag-n-drop) for visualization purposes
  - Ability to edit/save/load layouts
- Toggle actually sending keys to host (for debugging purposes)
- Force pin/row/column state
- Display real-time status information:
  - Pin/row/column/key state (on, off, mode, etc.). 3 views:
    - Tessel view (shows pin state)
    - Grid view (shows row state and column state)
    - Custom layout view (shows key state (mapped row + column combination)
  - Each view is actually 2 views: graphical and textual
    - This means the custom layout view will essentially be a keylogger

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