How does it work the keyboard
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The keyboard is one of the oldest computer accessories dating back to around 1870. While the basic keyboard layout of around 104 keys in a QWERTY configuration has not changed significantly, many alternatives have been proposed over the years. Common keyboards use inexpensive rubber dome switches and membranes that are prone to problems like ghosting. Mechanical keyboards use higher quality components like printed circuit boards, metal plates, and individual mechanical switches that offer better key response but at a higher price. Customization options for mechanical keyboards include different types of switches, keycap profiles, materials, and cases.
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How does it work - the keyboard
The keyboard is one of the oldest computer accessories dating back to around 1870. It uses the QWERTY layout introduced in 1873 to avoid jamming even though it is not optimal. Modern keyboards commonly use cheap rubber dome switches and membranes but have problems like ghosting. Mechanical keyboards use higher quality switches like Cherry MX that are more durable but also more customizable with options for keycaps, cases, and programmable controllers.
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
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How does it work the keyboard
- 1. How does it work? The keyboard
- 2. The keyboard ● Oldest computer accessory (~1870) ● Hasn't changed a lot ● ~104 keys ● QWERTY
- 3. QWERTY ● 1873, Christopher Latham Sholes ● to avoid jams ● far from optimal ● used everywhere, even on phones Endless list of alternatives: Dvorak, Colemak, Workman, ...
- 4. Common keyboards ● Rubber dome "switches" + membrane ● Low quality ● Cheap ● 99%
- 5. Common problems ● bottom-actuation ● membrane is vulnerable ● staggering ● ghosting ● max. 2-3 key rollover
- 6. Mechanical keyboards ● PCB ● Plate ● Switches ● Keycaps ● Case ● Controller
- 7. PCB
- 8. Plate
- 9. Keyswitches Cherry MX family ● Black - linear, 60g ● Red - linear, 45g ● Brown - tactile, 45g ● Clear - tactile, 55g ● Blue - clicky, 50g ... and endless customization: replaceable stems, custom springs, leds, lubing... Bulking spring, Hall-effect, mechanical, ...
- 10. Keycaps profile - SA, DCS, DSA, ... color material - ABS, PBT captions - font, position, double shot, laser-etched, dye-sub, ...
- 11. Case ● old keyboard cases ● made of wood ● laser cut acrylic ● 3D printed ● CNC cut aluminium (anodized)
- 12. Controller ● mostly Atmel microcontrollers ● ErgoDox: Teensy 2.0 (ATMEGA32U4, 16MHz) ● Arduino compatible, Teensyduino ● gnu avr toolchain ● USB HID is well specified :) https://github.com/dyuri/ergodox-firmware
- 13. ...
- 14. Written on an ErgoDox. 2013, György Horák Images and most info from geekhack.org and deskthority.net. http://blog.euedge.com/blog/kutyuk/a-billentyuzet/ Thanks!