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What's the purpose of the rotary encoder?

On a laptop the number pad is deadly because the screen and the keyboard are fused together and to have the touchpad / spacebar aligned with the axis of the body all the laptop is shifted to the right.

On desktops I seldomly use the number pad but as I can shift the keyboard to the right so I have no problem buying keyboards with it. Unfortunately it moves the mouse further away and makes it more uncomfortable (timewise) to use.

If I'll ever use a desktop full time again I'll buy a USB touchpad and keep it where it rests on a laptop and use the mouse for games, not every year.



>What's the purpose of the rotary encoder?

The ZMK firmware allows you to assign or map a wide range of keys and functions to it. The inclusion of an EC11 encoder has become a go-to trend, especially in the keyboard building community, and adopted by the established players. However, it is mostly a bit of novelty and redundant after a while and probably only gets used for the obvious media controls.

>I'll buy a USB touchpad and keep it where it rests on a laptop

You can acquire macropads in a plethora of configurations, from a single key to matrix of keys, only limited by the choice of MCU. All built using either traditional [key]switches and/or mix of encoders. The popular firmwares (QMK, KMK or ZMK) allow you to map the afore-mentioned, so you can choose to enter long IP addresses, purpose it for macros e.g Illustrator, Premiere, Blender, Ableton, Autodesk, Eagle etc., or just use it for regular cut-n-paste type jobs via the use of layers.


> What's the purpose of the rotary encoder?

Presumably thats configurable, but people usually use it for volume control which is quite nice to have


My Logitech G710 was the first that had such a volume control, but when it died last year I decided having a similar volume control was a must for any replacement candidate. Having it be remappable is a very nice bonus in my view.




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