PISIC

42-44key row staggered split keyboard with GRIN inspired layout, under 102mm PCB

The name PISIC means grin in korean, also is korean pun of grin layout of ansic.

Preparation

• 2x pro micro form factor dev board

• 2x PISIC PCB Boards, provided from the repo

• 1x printed case sets, 2 parts total, provided from the repo

• 2x 1.5-1.6T keyboard plates, provided from the repo

• 2x 1.5-1.6T back plates, provided from the repo

• 44x diodes

• 46x Kailh hotswap sockets (or compatibles)

• 24x M2x6 screws, flathead

• 2x PJ320A 1/8(3.5mm) TRRS connector

• 2x 4x4x1.5mm surface mount tact switches (if needed)

• 8x SK6812 Mini or WS2812b Mini (3535) RGB LED (if wanted)

• 1x 1/8(3.5mm) TRRS cable

• 0-2x PCB Mounted 2u Keyboard Stabilizers, normally 1

• 42-44x MX Keyswitches, normally 43

• 8x 10mm bumpon stickers

• A set of Keycaps

Build Guides and Miscellaneous

PISIC Build Guide

there's some notices before the build:

• You may solder all hotswaps before soldering the dev board.

• Assemble dev board with 2.5mm height pin headers on back side, assume that components side are faced up.

• Jump every jumpers on front side.

• Assemble Case-Plate-Switch first, not Plate-Switch-PCB.

Default Keymap

There are three more layers - Sym, Fn, Pad - which can be noticed by the color legends. ◇ Means Transparent; which uses base keymap.

Holding the color legend key swaps the layer.

Licenses

all codes follow MIT license.

all designs and the hardware board follow CC BY-SA 4.0 license.

If you want to make a commercial product, it would be appreciated if you sponsor some bucks for me.