barracuda

barracuda (Thin Plate Keyboard)

PCB (kicad 3D viewer)

Concept

• Ortholinear
  • 3 rows * 6 columns on left, 5 columns on right, total 33 keys
• Key switch hot-swap capable
  • Supports Kailh PCB socket for Kailh Choc V1 low profile switches
• Very thin design
  • Only supports SMT diodes (1N4148W)
  • Not using ProMicro but using ATmega32U2 mounted directly on PCB.
• Dimension
  • Length: 271.4 mm
  • Width: 59.7 mm
  • Height (PCB bottom to key top): About 15 mm
    • NOTE: with Kailh Choc (V1) switch and Kailh key caps.

BOM list

Name	Parts id	Number
MCU	ATmega32U2 (TQFP)	1
Socket (ChocV1)	CPG135001S30	33
Diode	1N4148W	33
Reset Switch	TVAF06-A020B-R	1
Spacer (M2 4mm)	ARB-2004E	10
Thread (M2 3mm)	-	20
USB micro connector	-	1
Poly fuse	-	1
Crystal (16MHz)	FA238	1
Resistor (22ohm)	2012size	2
Resistor (10kohm)	2012size	2
Capacitor (22pF)	1608size	2
Capacitor (0.1uF)	1608size	2
Capacitor (1uF)	1608size	1
Capacitor (10uF)	2012size	1

Firmware

QMK support is available in my forked qmk_firmware (barracuda/default)

Build Guide

ビルドガイド