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Custom, Programmable, Mechanical Keyboards

Keyboards – that you can build-on-your-own, program and personalise. Available in multiple configurations with different types of switches, keycaps and other customisation options

Mostly Harmless Keyboards are now avaiable for customisation and purchase from the

Shop for hackable, mechanical keyboards!

Mechanical Switches

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Mechanical Switches provide a better typing experience with tactile & audible feedback for your keystrokes. Build more accuracy and comfort into your typing experience.

Endless Customisations

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Choose your keycaps (shape, colours, texture), your keyboard case, your switch type and your keyboard lighting options. Tastefully define your keyboard experience.

Fully Programmable

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Don’t put up with badly designed keyboard layouts anymore. Program your keyboard to maximise finger comfort and placement and your typing speed and efficiency.

The 60% Keyboard

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This is a standard 61-key staggered keyboard layout. The key switches are arranged in rows just like most popular keyboard layouts. Keys such as arrow keys and function keys are present on a layer switchable using a function key.

The 60% Split Layout

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This is a 62-key columnar and split keyboard layout. The key switches are arranged in columns (also called an ortholinear layout). Additionally, the keyboard is split into a left and right half – both rotated at an angle.

The 40% Split Layout

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This is a 42-key columnar and split layout. It is called the Atreus layout designed by Phil Hagelberg. It is a small, light-weight and portable ortholinear keyboard which uses the popular 40% keyboard layout.

Past Keyboard Builds

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Granite DSA Keyset

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ICE SA Keyset

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Custom DSA Keyset

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Troubled Minds SA Keyset

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Modern Selectrics SA Keyset

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Deep Space SA Keyset
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Custom DSA Keyset

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A hand-wired keyboard

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XDA keyset with RGB under-light

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Dolch DSA Keyset with RGB backlight

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Ergodox EZ keyset

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Custom DSA keyset

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40% DZ40 keyboard with Dolch DSA keyset

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MDA Keyset

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SA Keyset

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SA Keyset

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SA Keyset with walnut wood case

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65% keyboard with /dev/tty keyset

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MDA Bones Keyset with walnut wood case

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Atreus 60% keyboard

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Switches mounted with a plate and PCB

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The GH60 PCB

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Compiling and Flashing the Firmware

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Switches mounted with a plate and PCB

Enquire about "Hackable Mechanical Keyboards"