2015-09-08 (Tu) Wrist Mounted Chording Keyboard

Printed spacers were installed. The fit on all of them was very good. Uninstalling the bolts was easy but the number of bolts which carefully held everything in place was unwieldy. Someone trying to replicate this project would have to be careful to align everything but having the spacers included with the pieces takes away the guess work. Next step will be to include the spacers right on the pieces so they will print as a single unit which will eliminate having to understand where each spacer goes, it will simply be a matter of aligning the four wrist-mounting pieces together.

First three installed spacers

Nuts unused after spacer installation and installed spacers

Downloadable Files:
To do:
  • Wrist mount
    • Revise offset levers 
      • Make holes in thumb board cylindrical instead of countersunk 
      • Add 3D printed spacers to avoid using extra nuts and washers
      • Add spacers to modeled parts
      • Add limit switch mounts
      • Connect servo arms
      • Lengthen servo arms
    • Integrate:
      • Controller
      • High precision potentiometers for tuning servos
      • Servos
      • Enclosure for each controller
      • Limit switches
      • Activation switch
    • Debug 
    • Test
    • Refine
    • Repeat
    • Activation switch
    • Route wires 
  • Write instructions
    • Compress and link to all files
      • OpenSCAD files
      • STL models
      • Arduino code 
    • Make diagram with everything labeled 
    • Schematic

The rest of the posts for this project have been arranged by date.

First time here?

Completed projects from year 1.
Completed projects from year 2

This disclaimer must be intact and whole. This disclaimer must be included if a project is distributed.

All information in this blog, or linked by this blog, are not to be taken as advice or solicitation. Anyone attempting to replicate, in whole or in part, is responsible for the outcome and procedure. Any loss of functionality, money, property or similar, is the responsibility of those involved in the replication.

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2015-09-08 (Tu)