diff options
| author | user <user@node5.net> | 2024-05-04 14:25:43 +0200 |
|---|---|---|
| committer | user <user@node5.net> | 2024-05-04 14:25:43 +0200 |
| commit | a3d122811cc001a4895d6166484a107a3fde34a3 (patch) | |
| tree | 367ca61126180405b8bee059cc3c5ae5f17e9adc | |
| parent | d1e1349603820d7b5de1ce76faf3f859a00ff0a8 (diff) | |
Reformat markdown
| -rwxr-xr-x | Custom keyboard V2/index.md | 70 |
1 files changed, 41 insertions, 29 deletions
diff --git a/Custom keyboard V2/index.md b/Custom keyboard V2/index.md index e52cb0d..4c46a4a 100755 --- a/Custom keyboard V2/index.md +++ b/Custom keyboard V2/index.md @@ -8,12 +8,13 @@ created: 2024-01-24 Checkout [V1 of this keyboard](https://blog.node5.net/Custom%20keyboard/). ### Parts list + - [aliexpress.com/ - Horizontal scrollers EVQWGD001](https://www.aliexpress.com/item/32990950196.html) - [keychron.com - Gateron Low Profile 2.0 Mechanical Switch](https://www.keychron.com/products/low-profile-gateron-mechanical-switch-set?variant=40587643355225) - [keychron.com - Keychron Low Profile Mechanical Switch](https://www.keychron.com/products/keychron-low-profile-mechanical-switch?variant=40561882595417) -With the first edition i validated that i like ortholinear layout, this enables me to offset the columns relative to -each other, but i cannot settle on how much to offset it, therefore i got the idea to make it adjustable, +With the first edition i validated that i like ortholinear layout, this enables me to offset the columns relative to +each other, but i cannot settle on how much to offset it, therefore i got the idea to make it adjustable, I've not seen this done before.  @@ -23,24 +24,29 @@ The keyboard base will have GPIO + I²C pulled out on a connector, allowing any I'll make the following modules: trackpoint, mouse buttons, thumb clusters, rollers for vertical scrolling and volume. ### Desiging a switch holder +  ### Trackpoint +  -The trackpoint module is a PS/2 device, see [QMK documentation](https://docs.qmk.fm/#/feature_ps2_mouse) and +The trackpoint module is a PS/2 device, see [QMK documentation](https://docs.qmk.fm/#/feature_ps2_mouse) and [Trackpoint pinout](https://deskthority.net/wiki/TrackPoint_Hardware) ### Height +  ### Keycaps +  To print legends, multi color on the same layer see this cool blog: [Creating a Keyboard - docs.juliaebert.com](https://docs.juliaebert.com/projects/keyboard#making-them-prettier) ### Switches +  [product page](https://www.gateron.co/products/gateron-low-profile-mechanical-switch-set) @@ -55,28 +61,33 @@ I ought to use a PCB for this, but that doesn't play nice with my rapid proto ty Testing if this method can be manufactured on my 3D printer, it's only 2 lines wide. ### 3D printed "PCB" feasability + ![3D printed "PCB" feasability test](3D printed "PCB" feasability test.jpg) ### Other keyboards with adjustable columns + Apparently I'm not the first to think of adjustable columns, bummer see this [ReSummit/Seismos GitHub repo](https://github.com/ReSummit/Seismos) And this [nezumee/zebra GitHub repo](https://github.com/nezumee/zebra) ### Design goals + - Low profile - Modular additions -- Indents for anti slip feet, to keep it low profile +- Indents for anti slip feet, to keep it low profile - Joinable halves perhaps - Tactile difference for different types of keys - - Smaller function key row - - Concave and convex keys, to indicate type - - Lots of homing indicators + - Smaller function key row + - Concave and convex keys, to indicate type + - Lots of homing indicators ### Meta -This article is more of a timeline of how it actually happened, + +This article is more of a timeline of how it actually happened, by meerly appending, instead of going back, and changing stuff ### Column module prototype +    @@ -85,37 +96,38 @@ by meerly appending, instead of going back, and changing stuff  ### Printing Keycaps +   -Again, printed on its side for greater dimensional accuracy +Again, printed on its side for greater dimensional accuracy ### Thumb cluster design vision + Came across this really cool keyboard called Dygma Defy [youtube.com - video](https://www.youtube.com/watch?v=9-h5RVu_HBA) [dygma.com - Blog post](https://dygma.com/blogs/product-development/how-we-developed-the-defys-16-thumbkeys) they show their design iterations on thumb clusters they seem to align with what i envisioned, -namely ergonomically shaped buttons, which is possible due to the 3D printing manufacturing. They've done lots - +namely ergonomically shaped buttons, which is possible due to the 3D printing manufacturing. They've done lots ### GPIO expander chip ordered + Ordered an [MCP23017](https://ww1.microchip.com/downloads/en/devicedoc/20001952c.pdf) I²C GPIO expander in [DIP28](https://en.wikipedia.org/wiki/Dual_in-line_package) package format. To use on the left side of the keyboard. - ### Layout designed +  This layout avoids having 2 unit wide buttons, which would interfere with the column sliding mechanism. Instead these buttons are moved to 2 thumb clusters. Which i I'm eager to try out. - ### Prototype pile +  Here's the pile of prototypes it took to get a satisfying and functional mechanism and keycaps. - ### Module wired  @@ -123,11 +135,11 @@ Here's the pile of prototypes it took to get a satisfying and functional mechani Soldered up the first module. I used stranded wire due to metal fatigue. This methodology seems to be feasible. I'm going to add pin header connectors to connect it to the board, so it can be disconnected and the module removed. -Spanning the top is gonna be a prototype board PCB with all the diodes, connectors for modules, DIP28 GPIO expander and +Spanning the top is gonna be a prototype board PCB with all the diodes, connectors for modules, DIP28 GPIO expander and the TRRS headphone jack. - ### Modules for left side printed +  Done printing and cleaning up all the modules for the left side. @@ -135,27 +147,26 @@ Done printing and cleaning up all the modules for the left side.   -Printed the bottom for the left side it unfortunately bent slightly when the modules were put in place, -even tho i was patient letting it cool down after printing. I held it over the stove, and counter bend it. +Printed the bottom for the left side it unfortunately bent slightly when the modules were put in place, +even tho i was patient letting it cool down after printing. I held it over the stove, and counter bend it. Then placed it on a flat surface. Which fixed the curve.  Planned out the circuit diagram for the left side of the keyboard, everything fit really nicely. -I'm excited to make it a reality. The top features pin headers for each sliding module. Which has 6 pins, 1 for the -column, and 5 for the rows. The rows are connected to the diodes, which bridge the gap to their respective colored bus -bars on the bottom side. Which forms a natural ╲ ╲ ╲ ╲ ╲ pattern. The columns have busbars on the bottom left side. -Both bus bar clusters are terminated in 2 flex cable connections, one for the GPIO expander chip, and one for a male pin -header for testing and debugging, it's also pin compatible with my old keyboard, allowing me to do an agile partial +I'm excited to make it a reality. The top features pin headers for each sliding module. Which has 6 pins, 1 for the +column, and 5 for the rows. The rows are connected to the diodes, which bridge the gap to their respective colored bus +bars on the bottom side. Which forms a natural ╲ ╲ ╲ ╲ ╲ pattern. The columns have busbars on the bottom left side. +Both bus bar clusters are terminated in 2 flex cable connections, one for the GPIO expander chip, and one for a male pin +header for testing and debugging, it's also pin compatible with my old keyboard, allowing me to do an agile partial goal, and get success feeling of trying it out, motivating me to keep working, and getting to test it -before i add to many variables and unknowns, which could lead to multiple failure points, -making me have to debug multiple possible error sources at the same time. There's 2 rows of connection points next to +before i add to many variables and unknowns, which could lead to multiple failure points, +making me have to debug multiple possible error sources at the same time. There's 2 rows of connection points next to the debug connector, which is a fine place to extend the connection on to thumb cluster module, which differs because it has the diodes on the module as opposed to on the circuit board. It has 1 pin for the row, and the rest for the columns. -Because it's wired up like it was a row at the bottom of the keyboard. Finally the headphone jack fits in the top +Because it's wired up like it was a row at the bottom of the keyboard. Finally the headphone jack fits in the top right corner, pointing upwards, since there's already going to be the cables from the sliding modules looping that way. - ### Circuit board initial test  @@ -167,8 +178,9 @@ Wired up a test setup to test the first 4x4 buttons, and it works, yay ^-^  ## Full stop + So up to this point, i had the intention of making this into a full hand wired keyboard. -But I don't like how the wires at the top ended up looking, -so I've chosen to cut my losses and use my prototype to decide how I want the offsets to be, +But I don't like how the wires at the top ended up looking, +so I've chosen to cut my losses and use my prototype to decide how I want the offsets to be, and as a test bed to remove my last few unknowns, namely, thumb cluster and I/O expander chip. I should have cut more corners, to test the core concept, before spending time, on the niceties. \ No newline at end of file |