mackerel

mackerel is a 58 key (6x4+5 split) column-staggered choc-spaced split ergonomic keyboard. mackerel is a successor to calico, my first split keyboard.

• rp2040-zero based
• reversible pcb

board

to build mackerel, you'll need:

• 2x mackerel pcbs
• 2x waveshare rp2040-zero or similar
• 58x choc v1 switches
• 58x choc 1u keycaps (I used MBK profile)
• 58x Kailh choc hotswap sockets
• 58x SOD-123 diodes (I used 1N4148W)
• 2x TRRS PJ-320A jacks
• 1x TRRS cable
• 1x usb-c cable
• 3d printed enclosure (wip...)

mackerel was inspired by

• calico and all its inspirations
• pluckey by floookay
• TOTEM by GEIGEIGEIST

and licensed under

CERN-OHL-W-2.0 overall. mackerel uses footprints, modified and unmodified, under different licenses. see ATTRIBUTIONS.md.