Asembly: https://keyboard-configurator.massdrop.com/ext/ergodox/assembly.php
Keycaps?
- http://www.wasdkeyboards.com/index.php/products/keycap-set/pbt-104-key-cherry-mx-keycap-set-gray-side-print.html
- http://www.maxkeyboard.com/max-ansi-pbt-104-key-cherry-mx-keycap-set-front-side-print.html
- https://mechanicalkeyboards.com/shop/index.php?l=product_detail&p=1336
- http://www.geekkeys.com/grey-side-printed-pbt-104-keyset/
Fun links:
- https://github.com/cezaryfalba/ErgoDox-CNC-Case
- http://falbatech.pl/prestashop/index.php?id_product=57&controller=product&id_lang=2&search_query=ergodox&results=36#/
Hand-wave estimates:
- Electrical (pcb, controller, parts): ~$80
- Keys (switch + caps): ~$70
- Case: ~$20
Boards required:
| Count | Est. Cost | Part |
|---|---|---|
| 2 | $38 | PCB |
| 1 | $20 | Teensy 2.0 USB |
Key switches (pick one)
| Count | Est. Cost | Part |
|---|---|---|
| 76-80 | $30? | Gateron Brown - Part number? |
| 76-80 | ??? | Cherry MX Brown - Part number? |
Key caps:
| Count | Est. Cost | Part |
|---|---|---|
| 76-80 | $25-$80 | https://mechanicalkeyboards.com/shop/index.php?l=product_list&c=40 |
Electrical parts: (~$20)
| Count | Part |
|---|---|
| 1 | MCP23018 I/O expander |
| 2 | 3.5mm TRRS connector |
| 1 | USB mini B jack |
| 1 | USB mini B plug |
| 1 | 0.1 UF capacitor |
| 76-80 | 1N4148 diode |
| 2 | 2.2k ohm resistor (axial, through-hole) |
| 3 | ~220 ohm resistor (axial, through-hole) -- match with LED needs |
| 3 |
- TBD: USB cable from teensy to usb mini B jack.
- TBD: Do we really need the switch diodes? Cherry MX switches can come with diodes in them. ?