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Residence-brew keyboard fanatic Joe Scotto has created his first design which doubles as a practical mouse — turning 4 of its six keys as a four-way course pad to maneuver the cursor.
“That is the ScottoMouse, a six-key macropad that makes use of QMK [firmware] mouse keys to emulate a mouse,” Scotto explains. “Like most of my builds, it is handwired — however this one is ‘direct pin’ that means every swap simply will get a person pin on the controller after which all of them share a typical floor. The controller I selected is full overkill but it surely’s the Raspberry Pi Pico. Lastly for the the switches, I figured for a joke of a board I’d use a joke of a swap… Cherry MX browns.”
This enter system does precisely what it says on the field — unusually. (📷: Joe Scotto)
The weird structure of the 3D-printed housing has two keys positioned beneath a panel studying “THIS IS A MOUSE,” with an extra 4 in a curving arc caught off to the aspect. The system might current itself to the host system as a mouse, however you will not discover an optical sensor or perhaps a traditional rolling ball: as a substitute, the mouse performance is managed wholly from the mechanical switches.
“The 4 most important buttons transfer the mouse left, up, down, proper (in that order) after which the 2 thumb buttons are left click on and proper click on,” Scotto explains. “I additionally carried out a number of combos, so for those who press each left and proper on the identical time you’re going to get center click on. Scrolling is finished by the identical combo besides you then add up or down relying on the way you want to scroll.
The macropad-cum-mouse is pushed by a Raspberry Pi Pico immediately wired to the switches. (📷: Joe Scotto)
That is removed from Scotto’s first hand-wired keyboard construct. Late final 12 months the maker confirmed off a fully-split ergonomic design powered by a single Arduino Professional Micro in a single half, with the opposite related utilizing a repurposed VGA cable. The ScottoErgo, in the meantime, used the same cut up structure however in a single chassis with a Raspberry Pi Pico as its controller — however one which had its micro-USB connector eliminated in favor of a substantial extra sturdy GX16-4 aviation connector.
The ScottoMouse joins all of Scotto’s earlier enter system designs on GitHub, below the reciprocal Inventive Commons Attribution-NoCommercial-ShareAlike 4.0 license. Extra data is out there on Scotto’s web site.
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