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3x3macropad

by rarepotato8de · ·

9 keys unibody

MX Pro Micro socket QMK

3D render of the 3x3macropad circuit board
The bare PCB, drawn from PCB.kicad_pcb. No switches or keycaps: this is the board as manufactured.

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Record 94% complete · 16 of 17 fields

No summary recorded.

Layouts

Spec

Shape

Body
unibody
Splay
no
Stagger
ortholinear
Key spacing
MX spacing · 19.05 × 19.05 mm

Switches

Switch footprint
MX
Hotswap
Kailh socket, Gateron socket

Electronics

Controller
Pro Micro socket
Connectivity
Wireless with a nice!nano v2 — needs a ZMK config
USB port
USB-C or micro-USB, depends on the dev board
Firmware
QMK (rarepotato8de/3x3macropad)
Firmware targets
ATmega32U4
Key wiring
3×3 matrix, column-to-row diodes
Room for
encoder
Power switch
no
Exposed components
— not recorded —

Building it

Build method
PCB
Soldering
SMD, hand-solderable (LED)
SMD required
yes

Licensing

Hardware
MIT
Firmware
MIT
Documentation
MIT

Sources