Added the wiring section
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Get all the parts / raw material
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- For the 3D printing there are two options:
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1. Filament, which is the basis for 3D printing. Luckily I could print at my work-place
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which reduced the cost from 210€ to 70€
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which reduced the cost from 210€ to 70€. The kind of filament you need depends on the 3D
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printer you have available.
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2. Buy the printout of adareth's model at shapeways for 210€ over here
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http://www.shapeways.com/designer/adereth/creations
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- Decide on the switches
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massdrop which is way different from usual online-stores. If you find a site that sells
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these make sure you get the right amount and type of keys according to the layout
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- I got the "TKL Base Set + TKL Modifier" from over here:
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http://pimpmykeyboard.com/dsa-pbt-abs-blank-keycap-sets/ but I'm still too long keys
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http://pimpmykeyboard.com/dsa-pbt-abs-blank-keycap-sets/ but I'm still two long keys
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short, I will have to order those specifically and I have a bunch of keys I don't use
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left-over.
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- The USB-Cable that connects the keyboard to your computer
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really makes handling the keyboard so much more comfortable
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- https://www.amazon.de/gp/product/B00NH11N5A/
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- The main controller (right half)
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- A Teensy 2.0, i got that one from here: https://www.pjrc.com/store/teensy.html
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- A Teensy 2.0, I got that one from here: https://www.pjrc.com/store/teensy.html
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- The chip, connectors and cable to give life to the left half
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- TTRS cable and jacks
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- Got my TTRS cable from here: http://www.digikey.de/product-search/de?keywords=839-1257-ND
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- Got my TTRS jacks from here: http://www.digikey.de/product-search/de?keywords=CP-43514-ND
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- MCP23018 16 bitIO Expander
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- MCP23018 16 bit IO Expander
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- Got mine from here: http://www.digikey.de/product-search/de?keywords=MCP23018-E%2FSP-ND
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What I spend on my keyboard (should give you a rough estimate for your build):
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Depending on what you have available you might spend more or less money than me, 300€ however
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is a good rough estimate.
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* Dactyl Flexible PCB Rough Guide
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After all the parts have arrived it is safe to move on to the next section
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[[workbench.jpg]]
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For now, take a look at the images and try to figure things out, I know
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that's not great (it's better than nothing!)
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* Wiring
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1) Plug the switches into the Casing, no glue is needed, the casing provides the perfect fit.
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2) Put the keycaps on the switches
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** Making the PCB
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[[file:switches_still_in_bag.jpg]]
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Get two sheets of 6in square Pyralux™. Use the Toner Transfer method to
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etch the Pyralux sheets as you would a usual PCB
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[[file:]]switches_applied_to_casing.jpg
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#+BEGIN_QUOTE
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Now going further on in the guide there are two options
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1. The first option is to print flexible PCBs. The advantage is that you save alot of wiring
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business, everything looks rather clean and you dont have to worry about your cables being too
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thick such that the casing doesnt close. However if you don't have the means to print out such
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PCBs there is the second option, hand-wiring everything by hand.
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- The guide for this is very rough indeed and it doesnt include the firmware used. Wiring and
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firmware play extremely close together, wiring before knowing your firmware is like buying a
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shoe without measuring your feet before. For this option information about the exact
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firmware is not published, this in addition to the fact that the pictures in this rough
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guide are incomplete makes this option extremely beginner-unfriendly. Going in blind-sided
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like this may lead to one of these things:
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1. reprogramming huge parts of the firmware to match your wiring which comes with a ton of
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debugging
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2. rewiring to adapt to what the firmware expects, which may easily double your work here
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- [[Route 1: Dactyl Flexible PCB Rough Guide]]
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2. The second option is to hand-wire everything. For people like me who had never soldered before
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this was great joy and pleasure.
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- Here too firmware and wiring go hand in hand, you pretty much have to have a detailed look
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at the firmware you are using before wiring anything. I provide my modification of the
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"ergodox-firmware" over here: https://github.com/BubblesToTheLimit/ergodox-firmware
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- Some of the steps of this guide may not be described in much detail, but in contrast to the
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first guide there is a whole lot more of information.
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- [[Route 2: Dactyl Hand-Wiring Guide]]
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** Route 1: Dactyl Flexible PCB Rough Guide
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[[workbench.jpg]]
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For now, take a look at the images and try to figure things out, I know that's not great (it's
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better than nothing!)
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*** Making the PCB
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Get two sheets of 6in square Pyralux™. Use the Toner Transfer method to etch the Pyralux sheets as
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you would a usual PCB
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#+BEGIN_QUOTE
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NOTE: If you only have an Inkjet make photocopies of the print out,
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voilà Toner based copies!
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#+END_QUOTE
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#+END_QUOTE
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[[http://www.instructables.com/id/Toner-transfer-no-soak-high-quality-double-sided/][Here'sa handy toner transfer guide ...]]
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[[http://www.instructables.com/id/Toner-transfer-no-soak-high-quality-double-sided/][Here'sa handy toner transfer guide ...]]
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Print these PCB designs out...
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Print these PCB designs out...
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Left hand:
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[[left-hand-pcb-pyralux.png]]
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Left hand:
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Right hand:
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[[right-hand-pcb-pyralux.png]]
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[[left-hand-pcb-pyralux.png]]
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When you're done etching, you'll need to carefully cut the pcb into
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pieces... See the images below.
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Right hand:
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** This is Madness...
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[[right-hand-pcb-pyralux.png]]
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The thumb cluster pcb for the left hand:
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[[madness.jpg]]
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When you're done etching, you'll need to carefully cut the pcb into pieces... See the images
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below.
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Solder the MCP like so:
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[[left-hand-mcp-1.jpg]]
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[[left-hand-mcp-2.jpg]]
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*** Applying the PCB to the electronical parts
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The thumb cluster pcb for the left hand:
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Solder the Teensy 2.0 like so:
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[[teensy-1.jpg]]
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[[madness.jpg]]
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Some interesting pull up 10k resistor business here... (TODO add a small
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diagram and notes)
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Solder the MCP like so:
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[[teensy-2-fuxor-reziztorrs.jpg]]
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[[left-hand-mcp-1.jpg]]
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[[left-hand-mcp-2.jpg]]
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Each hand of the keyboard will wire up like so:
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[[right-hand-pcb-1.jpg]]
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Solder the Teensy 2.0 like so:
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Teensy goes here... note the rows soldered to the teensy via the
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Pyralux:
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[[right-hand-pcb-with-teensy.jpg]]
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[[teensy-1.jpg]]
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Here the left hand:
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[[hotglue-left-hand.jpg]]
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Some interesting pull up 10k resistor business here... (TODO add a small diagram and notes)
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That's all for now, this guide will improve over time! (TODO!)
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[[teensy-2-fuxor-reziztorrs.jpg]]
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Each hand of the keyboard will wire up like so:
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[[right-hand-pcb-1.jpg]]
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Teensy goes here... note the rows soldered to the teensy via the Pyralux:
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[[right-hand-pcb-with-teensy.jpg]]
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Here the left hand:
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[[hotglue-left-hand.jpg]]
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That's all for now, this guide will improve over time! (TODO!)
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** Route 2: Dactyl Hand-Wiring Guide
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