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Cheapino

by tompi · ·

36 keys split

MX RP2040-Zero socket QMK

Photo of an assembled Cheapino
An assembled Cheapino, from the project's own README.

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Record 100% complete · 17 of 17 fields

Probably one of the cheapest split keyboards you can build.

Layouts

Spec

Shape

Body
split, 2 halves
Split link
Ethernet cable
Splay
no
Stagger
column-staggered
Key spacing
MX spacing · 19.05 × 19.05 mm

Switches

Switch footprint
MX
Hotswap
Kailh socket, Gateron socket, Mill-Max, or solder the switches in

Electronics

Controller
RP2040-Zero socket
Connectivity
No wireless controller we know of fits this socket
USB port
USB-C, on the dev board
Firmware
QMK (cheapino)
Firmware targets
RP2040
Key wiring
8×12 matrix, row-to-column diodes
Room for
encoder
Power switch
no
Exposed components
no

Building it

Build method
PCB
Soldering
through-hole (connector, rotary encoder)
SMD required
no

Licensing

Hardware
CC BY 4.0
Firmware
CC BY 4.0
Documentation
CC BY 4.0

Sources