ThreadPad
by feklee, published
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Tablet stand with IBM ThinkPad keyboard and TrackPoint.
The back provides space for a keyboard controller and other electronics. Size could be adjusted to accommodate a Raspberry Pi, for example.
For sturdiness, 3D printed parts are joined with carbon rods.
Instructions
Print the STL files, then follow the videos:
Suggestion: First make a test print to check if the channels fit the carbon rods.
Parts
- 3D prints. Pictured parts have been printed on a Stratatys Dimension SST 1200es in ABS at 10 mils resolution. They have been designed, however, to also print on RepRaps, MakerBots, etc.
- 6 mm carbon rods, available for example at Modulor as item #251865.
- IBM ThinkPad X40/X41 keyboard
- 3M Bumpons, h = 3.5 mm, ø 12.7 mm (Modulor #303791)
- Foam rubber sealing strip, self-adhesive 2 × 10 mm, black (Modulor #317464L)
- M2 × 5 mm screws, available as ThinkPad spare parts
- 3 mm cord (Modulor #4178085L)
- Cord lock (Modulor #224788)
- Double cord locks (Modulor #222851)
Rhino 3D file
For construction rules, see Notes inside the Rhino 3D file. Referenced from that file are models available on GrabCAD:
- ThinkPad X4x keyboard & TrackPoint.
- Cord lock
- 3M Bumpon SJ5012
To open the file, as of mid 2014, you may download a 90 days trial version of Rhino. Please help me lobby for a free maker edition of Rhino.
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Hi feklee,
this is absolutely amazing. How can I get layouts and sw for arduino etc. please? It's commercial project? Thank you for information and best regards from Czech republic :)
My email: [email protected]
J.
It's all open source. For electronics, I wired up the keyboard plug receptacle with a Crumbuino Mega, a small version of the Arduino Mega. See the strip board layout that I just uploaded. Also on the board is a BlueSMiRF Bluetooth modem. I never got around to programming the Arduino, though.
Of interest may be my Arduino TrackPoint library, published on GitHub.
Many thanks, I'm looking forward to try it. Where can I see that picture of wiring how was described please? Thank you
Thats pretty cool, but how do you interface the keyboard with the tablet, whats involved??
The electronics you see in the video are comprised of a miniature Arduino Mega (Crumbuino-Mega), a BlueSMiRF HID Bluetooth controller, a LiPo battery, and a LiPo charger/booster. The crucial part is the keyboard receptacle which I obtained from Cong, an EE student in Australia. He is working on interfacing his T61 keyboard. For that he bought the receptacles in bulk on Alibaba, and he made an adapter board. We have been in contact since meeting on:
http://electronics.stackexchange.com/questions/64112/how-to-find-socket-for-keyboard-connector
I have not yet started programming the Crumbuino. However, about a year ago I demonstrated feasibility of interfacing to the TrackPoint, which was my first Arduino project:
https://github.com/feklee/usb-trackpoint
https://github.com/feklee/arduino-trackpoint
Initially I was running the TrackPoint in remote mode, but then Cong came up with an improved Arduino TrackPoint library for stream mode (preferred):
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