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diff --git a/guide/README.org b/guide/README.org index 1dc70a2..2814cf9 100644 --- a/guide/README.org +++ b/guide/README.org @@ -1,3 +1,64 @@ +* Preparation and Cost + Get all the parts / raw material + - For the 3D printing there are two options: + 1. Filament, which is the basis for 3D printing. Luckily I could print at my work-place + which reduced the cost from 210€ to 70€ + 2. Buy the printout of adareth's model at shapeways for 210€ over here + http://www.shapeways.com/designer/adereth/creations + - Decide on the switches + - If you are going to invest a whole lot of time and money for a custom keyboard instead of + buying one for 10€ I'd recommend to use your favorite switch-type. To make a + well-informed decision I bought a switch-tester for this from massdrop and decided on + Cherry MX Whites. https://www.massdrop.com/buy/varmilo-switch-tester-with-anodized-case + - I ordered 70 Cherry MX Whites from here: + https://mechanicalkeyboards.com/shop/index.php?l=product_detail&p=847 + - Decide on the key caps + - On the glamour-Shot you can see the 1976 keycap set, it used to be sold over here: + http://pimpmykeyboard.com/sa-1976-keycap-set/ but the link is dead right now. You could + try this link: https://www.massdrop.com/buy/nineteenseventysix-sa-keycap-set but it is a + massdrop which is way different from usual online-stores. If you find a site that sells + these make sure you get the right amount and type of keys according to the layout + - I got the "TKL Base Set + TKL Modifier" from over here: + http://pimpmykeyboard.com/dsa-pbt-abs-blank-keycap-sets/ but I'm still too long keys + short, I will have to order those specifically and I have a bunch of keys I don't use + left-over. + - The USB-Cable that connects the keyboard to your computer + - It's an USB 2.0 to USB Mini-B cable, make sure you get one that is 2 meters long, it + really makes handling the keyboard so much more comfortable + - https://www.amazon.de/gp/product/B00NH11N5A/ + - The main controller (right half) + - A Teensy 2.0, i got that one from here: https://www.pjrc.com/store/teensy.html + - The chip, connectors and cable to give life to the left half + - TTRS cable and jacks + - Got my TTRS cable from here: http://www.digikey.de/product-search/de?keywords=839-1257-ND + - Got my TTRS jacks from here: http://www.digikey.de/product-search/de?keywords=CP-43514-ND + - MCP23018 16 bitIO Expander + - Got mine from here: http://www.digikey.de/product-search/de?keywords=MCP23018-E%2FSP-ND + + What I spend on my keyboard (should give you a rough estimate for your build): + | item | cost | + |-----------------------------------+------| + | filament | 70 | + | switch-tester | 30 | + | key-caps | 70 | + | teensy 2.0 | 30 | + | switches | 60 | + | usb cable | 10 | + | IO Expander, TTRS jacks and cable | 30 | + |-----------------------------------+------| + | overall cost | 300 | + #+TBLFM: @9$2=vsum(@2$2..@8$2) + + My choices / advantages: + - Using the soldering iron at the uni-workshop for free + - 76 Diodes for free + - Soldering wire and copper for free + - All the resistors used for free (5 resistors are used) + - Several files for working out the rough edges of the 3D-printout + + Depending on what you have available you might spend more or less money than me, 300€ however + is a good rough estimate. + * Dactyl Flexible PCB Rough Guide [[workbench.jpg]] |