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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

• 3.5mm hotswap heders for pro micro
• Black or clear bumpones for legs
• TRRS cable

iBom

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