Xah keyboard Blog

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Logitech G513 keyboard 9349b-s330x190
Logitech G513 Keyboard
Logitech G613 keyboard a2a0d-s355x176
Logitech G613, wireless

now, finally, there's wireless mechanical gaming keyboard.

Touch-Typing in Japan

In Japan, the touch-typing rate even among college students is 15 percent. This rate is much lower than the 85 percent of American college students.

from [Graduate School of Maritime Sciences: Is Typing in Roman Letters the Reason for the Low Proficiency of Japanese Language Typists? By Kobe University. At http://www.kobe-u.ac.jp/en/NEWS/topics/2014_06_13_01.html ]

See also: Japanese Keyboard Layouts

TRON Operating System, TRON Encoding

tron keyboard df41c-s307x204
home made TRON keyboard

added to TRON Keyboard

touch pen w mini butt plug 9f6ac
touch pen with mini butt plug buy on amazon
periboard trackball keyboard 0ddca-s366x171
PERIBOARD-322 Keyboard with Trackball

Pirixx is a German company. Seems promising. Before, i thought it's a cheap nameless brand.

Logitech TrackMan Vista, 1995

See also: Trackball History

Ghost in the shell typing hand 4e0bd
Ghost In The Shell, typing hand [image source https://twitter.com/semimaruP/status/1038970614084587521]

See also: Helix Keyboard

ibm monster keyboard 8ee87-s318x197
Doctor Who Keyboard

Design of Math Symbols Input System (minor update)

Programable Keyboards with Onboard Memory

updated on why programable keyboard

huawei laptop camera key image [source https://twitter.com/_MG_/status/1037171922465775616]
diverge tm2 keyboard
Diverge TM2 Keyboard

SmartYao Keyboard

some news about buying 2 of them and use together as a split keyboard. May be a problem on the Mac.

arrow key efficiency 2018-08-18 0056a

Arrow Keys Efficiency: vim HJKL vs IJKL

added a JavaScript version to compute score.

On the Terminology of Key Chord vs Key Combo

trackball vs mouse

here's epic trackball playing fps (battlefield 1) https://www.youtube.com/watch?v=fhY0LcvYyiE

and here's epic trackball playing osu https://www.youtube.com/watch?v=YfbPwAYdemU

yes, the trackball am refering to is same as you are using, the Logitech Trackman Marble. here's my review and photo of me with it Logitech Trackman Marble Review yes, it's 300 dpi only. i've been sloppy on reddit here.

there is some debate in the comment here you might find interesting Trackball vs Mouse, and How to Choose a Trackball

and i think a “scientific” way to judge is to play osu with different devices. i have collected video of them here Test Your Mousing Efficiency!

maltron right hand keyboard 1eb9d-s289x217
Keyboard Monster

japan diy helix keyboard carrying case. nice.

see https://twitter.com/yohewi/status/1029591617173315585

See also Helix Keyboard Helix Keyboard

mouse and trackball, dpi, internal acceleration?

reddit discussion https://www.reddit.com/r/Trackballs/comments/97abhf/the_physics_of_internal_mouse_acceleration_or_are/

nah, i don't think this makes sense.

as far as i know, no trackball has internal acceleration. Actually, i don't actually know a mouse that has acceleration built in, though i've heard they exist.

there's lots myth about this topic, and seems to be a perennial obsession since optical mouse around 1998 or so.

polling rate does affect cursor speed. e.g. if you have a gaming mouse, and you set polling rate from 1k hz to 0.5k hz, you can notice a speed up in cursor speed, even the dpi is set to 1200 and didn't change.

on linux, the os acceleration is typically, when certain distance is reached within a given time, then multiplier kicks in.

so the curve looks like, beginning with a small flat segment, then a straight line going up. (x axes is speed, y is distance traveled)

i think ms windows acceleration does the same, but not sure.

trackball dpi has very diff effect than mouse dpi. The larger the ball size and smoothness (e.g. can it spin), the more dpi it feels. imagine a maglev ball that can spin for 10 seconds and ball size of palm like in some arcade games. such trackball, even technically 300 dpi, will feel like 3000 dpi.

you can see many comments here (my page) Trackball vs Mouse, and How to Choose a Trackball

and What's Mouse DPI? Does DPI Matter in Gaming?

for lots discussions. There are many nerds who created custom acceleration software for Microsoft Windows. But i think it's not worth the effort. Just get a nice mouse or trackball with good enough dpi, and arguably turn on acceleration.

to trackball or not trackball

reddit discussion https://www.reddit.com/r/Trackballs/comments/95h5t1/is_there_any_objective_evidence_showing_the/

nah, i don't think there's any evidence at all.

i've read a lot articles about trackballs , and am obsessed about how it compared to mouse as a input system, since 1990s. i actually didn't own any, untill few years ago.

now i've used a few trackballs daily for a few years, and i'd say, nah.

there are some wiz kids who use trackball more proficient than mousers at FTP shooter. it's on YouTube. i'll find the link if you need.

I also conclude, trackball can't be controlled as precisely as mouse either. e.g. when you have to say aim at the close window box quickly.

one easy test is to write your first name in print on screen with trackball and mouse, as fast as possible. Am sure, vast majority will be more accurate with less time by using mouse, given same amount of time/training with each device.

trackball is just in general easier to use, and easier on hand.


that video https://www.reddit.com/user/SynBogaNajwyzszego is most annoying. how do we know he's using trackball? well, maybe trust can be established from his reputation or his other video recording showing trackball in parts of the screen... but still, yeah, we need to see that video.

the Logitech Trackman Marble is ancient. I have it. Even last month, i tried to use it again, but decided to put it away. The resolution is too low. (something like 800 dpi?) yes, i have acceleration on. but i also noticed, on the Mac, it makes the cursor jump.

(one interesting thing about polling rate i discovered is that, when OS acceleration is on, higher dpi can make the cursor moving speed significantly slower. here's my story: few months ago i got logitech g502. it has 1k Hz polling rate by default. I have acceleration on. And i set dpi to 1200. And i have another logitech mouse plugged in, the g600, also set to 1200 dpi but polling rate at 250Hz. Then, i noticed, the g502 is a lot slower. If i reduce its polling rate to 500hz, then it becomes faster. while doing all these, i have also my trackball plugged in, the ancient logitech trackman marble. The trackball becomes very jumpy sometimes (when cpu is busy or something) when acceleration is set to highest. )

Addison Reveal keyboard 02889 s311x201
PC Reveal. ~1995

apparently, you can still find this in trash if you are lucky.

qtronics trackball d00d2-s289x217
Qtronix/iOne Trackball

Keyboard Firmware

russian layout heatmap f0502
Russian Keyboard Layout

updated. thx to Max P.

Steno, PianoText, Michela, Englebart

twitter discussion. https://twitter.com/johnkitchin/status/1026206042936340480

Englebart 5-key chord keyboard
Englebart 5-key is stilted because it's bit aligned. (no frequency of use considerations) [image source https://twitter.com/batchout/status/1026264436712120322]
Maltron FrogPad MIDI pads Uq2IC
Maltron, FrogPad, MIDI pads. [image source https://twitter.com/batchout/status/1026264785392939008]

been thinking that too. Something like Akai MPK Mini could work. there's already midi/usb/key interface. @batchout has done it. and there's steno/pianotext/michela as “layouts”. I've been really wanting to do. think it'd be most efficient. Not sure what's the long term effect on hand.

am thinking, would take ~6 months to do this project. e.g. so others can just buy a mini controller keyboard, install software, and read tutorial, as complete PC keyboard replacement, including for ctrl etc shortcuts. (and maybe 2 months to become fluent)

as a personal project i think it'd be very interesting. it can include many ways to do emacs commands. i think the downside is, effort cost is big, but 0 commercial prospect, cuz most people don't want new input system. e.g. maybe 1% of emacs fan might actually buy/try.

See: Input Devices

mitosis keyboard LxmE3-s399x157
Mitosis Keyboard

Input Devices

Rubber Feet for your keyboard

Discovered this product. Rubber Feet, bumper pads Buy at amazon

apple mouse charging bda31-s306x204
Worst Apple Designs
elecom ex-g pro trackball f5d09-s286x218
Elecom EX-G Pro
teletype optical keyboard 201711 cd7dd-s289x217
Teletype Optical Switch Keyboard

Russian Keyboard Layout

now, added letter frequency.

Truly Ergonomic Keyboard 2018, incoming!

truly ergonomic keyboard 2018 0c1b9-s306x204
Truly Ergonomic Keyboard 2018 “cleave”
marquardt butterfly keyboard 201711 71864-s289x217
Marquardt Butterfly Keyboard

not sure what this is. if you have info, comment please.

intro to Chinese Input Methods

lisp knight keyboard-s339x184
Knight Keyboard

more update. on its own page.

jp diy keyboard w wheel c8124
Japan diy keyboard with scroll wheels 2018-07-26 [image source https://twitter.com/age_jaco/status/1022380097666342912]

very nice design!

the scroll wheel can be used as arrows.

and for the other hand:

emacs keyboard used in 70s and 80s

emacs keyboard history

keyboald layout travel graph, interactive app

keyboald layout travel graph 6d92c
keyboald layout travel graph https://beehivemedia.com/dataviz/keyboardviz/ by Bill Shander https://twitter.com/billshander, 2018-07-17

very interesting.

head tracker

this is a head tracker, for gaming. TrackIr 5 Head Tracker. TrackIr 5 Premium Head Tracking for Gaming a new type of input device that's becoming popular. it's very significant for programer as well. replaces mouse. Use together with OS's “dwell” (autoclick) feature

See also: Ergonomic Mouse

Dvorak Keyboard Layout

minor update

Racal-Norsk KPS-10 keyboard 1-s303x206
Racal-Norsk KPS-10 Lisp Prototype Keyboard

top keyboard experts

top keyboard experts i know of (no order):

they usually have ~100+ keyboards, historical or otherwise. Done research on various keyboard tech etc.

history of the inverted T arrow key arrangement on keyboard

great article.

[history of the inverted T arrow key arrangement on keyboard By Jim Burrows. At http://www.eldacur.com/~brons/NerdCorner/InverseT-History.html ]

2018-07-12 to read [The Keys To Success. A lot of early video game consoles secretly wanted to be home computers, too: Their makers either sold keyboard add-ons or failed miserably in the process. By Ernie Smith. At https://tedium.co/2017/04/27/video-games-keyboards-intellivision/ ]

thanks to Marcin Wichary

SAIL keyboard b1c80-s306x204
SAIL Keyboard

Lisp Machine Keyboards

major update. more photos.

Space-Cadet Keyboard

major update. more photos.

lmi-cadr keyboard 1st gen space cadget 31997-s289x217
Lisp Machine LMI-CADR keyboard
invac optical switch 20171111 86729-s-s289x217
Invac Optical Switch Keyboard

Workman Keyboard Layout still going strong

Elecom DEFT Pro Trackball News. Works in linux. plug and play, all buttons detected understand latest kernel. thanks to t184756

ussr capacitive keyboard 201711 59268-s289x217
Soviet Capacitive Buckling Spring Keyboard

best keyboard site. Marcin Wichary, JavaScript expert, and segmented display

of all keyboard sites on the web, if there's only one best one, this is perhaps the one.


you don't want to miss it.

its by Marcin Wichary https://twitter.com/mwichary he's writing a book on history of keyboards. He research, have tens of books on the subject, and travels the world to dig info. and often, he take high quality photos of ancient keyboards that you would not find anywhere.

i've mentioned him a few times here. e.g. he gave me answer to why space bar was a bar. see Typewriter Spacebar History

by the way, he's also a coder. He used to work for Google, and he wrote the google packman doodle. He's a top expert of JavaScript.

segmented display

he recently wrote this fastastic app, on segmented display. https://aresluna.org/segmented-type/

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