Home - Ladniy/jiran GitHub Wiki

Welcome to the jiran-breakoff wiki!

Jiran - is a 6x4 matrix ergo keyboard with additional 3 thumb and 1 pinky keys.

Jiran was designed to increase typing speed and protect hands from tunnel syndrome.

Jiran also contain all cyrillic alphas.

Features

  • Powered by QMK firmware
  • Works on Pro Micro or nRFMicro
  • Supports all kind of switches (MX, Apls, Choc)
  • Supports 2 and 5 pin mount for switches
  • Supports MillMax socket
  • Supports 1 color in switch led backlight
  • Halves work via serial or i2c

Lineup

  • jiran-classic: Classic version, support MX, Alps and Choc switches, and one color THT LEDs.
  • jiran-hotswap: Hotswappable version for MX switches, have no any LEDs.
  • jiran-cherry: Cherry verison, support only MX switches, have no any LEDs, easy to build.

Layout

You can see default layout here: keyboard-layout-editor.com

Firmware

Now Jiran is officially support by QMK.

Setup firmware build environment following the instructions here.

You can use QMK Toolbox for flashing default firmware.

For create your own layout use QMK Configurator or VIA

Build Guide

Bill of material:

Name Value Package Qty Optional Aliexpress
PCB 2
Basic Case 1
Switch MX/Alps/Choc 56
Bumpons 12 $1.46
Standoff 3mm M2 10 $0.85
Standoff 6mm M2 4 $1.42
Screw 4mm M2 18 $0.87
Screw 3mm M2 20 $0.87
Pro micro 5V 16MHz 17.78x33.02mm 2 $3.19
Diode 1N4148 THT/SMD (SOD-123) 56 $0.85
Resistor 4.7k THT/SMD (1206) 2 $0.51
Resistor 10k THT/SMD (1206) 2 yes $0.51
Resistor 330r THT/SMD (1206) 56 yes $0.51
TRRS jack PJ-320A 2 $1.17
Tact switch DIP 3X6X4,3mm 2 yes $0.9
Mosfet 2N7002 SOT-23 2 yes $0.7
LED THT 1.8mm 56 yes $1.05
  • Mosfet, LED, 10k and 330r resistors optional, they are used for backlighting

Optional parts

iBom

Please follow my iBOM file to properly position the components on the PCB.