The modeling file from 2015-08-11 (Tu) was reopened and modified. Two different types of servo lever arms were needed to make the four bar linkage. One type of lever must attach to a servo horn and be hinged on the other side. The second type must have bolt holes on each end to act as a hinge in both places. Two of each piece should be printed for a full set. Each piece is the same length so the four bar linkage being constructed would be a parallelogram.
Downloadable Files:
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.
Rotating view of servo arms model
Full set of servo arms
Downloadable Files:
- Common OpenSCAD files
- Servo footprints for OpenSCAD.
- Wrist Mounted Chording Keyboard. All STL printing Files. If you want to print.
- Parts for index, middle, and ring fingers.
- Parts for pinky finger.
- Thumbboard.
- Servo lever.
- Wrist base.
- Left-handed Wrist Mounted Chording Keyboard. All STL printing Files. If you want to print.
- Parts for index, middle, and ring fingers.
- Parts for pinky finger.
- Thumbboard.
- The servo lever and wrist base are the same as the right-handed version
- Wrist Mounted Chording Keyboard. All OpensCAD Files. If you want to make changes.
- Parts for index, middle, and ring fingers.
- Parts for pinky finger.
- Thumbboard.
- Servo lever.
- Wrist base.
- Arduino Code for wired keyboard
- Spreadsheet for chords.
- Modify two servos for continuous rotation.
- Wrist mount
Model lever arms- Build
- Test
- Refine
- Repeat
- Activation switch
- Route wires
- Write instructions
- 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.
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2015-08-26 (W)
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