Imported from GitHub: melonbred/SPM1800 · commit 0cb213b · license MIT

Description

South Paw Mini 1800 Keyboard

README

SPM1800

This is a PCB for a southpaw mini 1800 layout keyboard with the following features:

• Big bar and split bar support
• MX or Alps style switches
• Two independent rotary encoders
• USB Type-C
• Breakout pins for RGB underglow
• Breakout pin for USB shield ground

WARNING

This PCB has been tested for functionality. However, please review the project files prior to placing an order for manufacturing. Users should be warned that they are manufacturing this at their own risk.

Layout

KLE

PCB

BOM

Designator	Description	Package	QTY	LCSC Part Number
C1, C2, C3, C4	Capacitor - 0.1uF	0805	4	C28233
C5	Capacitor - 10uF	0805	1	C15850
C6, C7	Capacitor - 22pF	0805	2	C1804
C8	Capacitor - 1uF	0805	1	C28323
D1 - D58	Diode - 1N4148	SOD-123	58	C466653
D59	ESD Protection Diode - PRTR5V0U2X	SOD-143B	1	C12333
F1	Fuse 24V - 500mA	1206	1	C70076
R1, R2	Resistor - 10k	0805	2	C17414
R3, R4	Resistor - 5.1k	0805	2	C27834
R5, R6	Resistor - 22	0805	2	C17561
U1	Atmega32u4	QFP-44_10x10mm_P0.8mm	1	C44854
USB1	HRO-TYPE-C-31-M-12	HRO-TYPE-C-31-M-12	1	C165948
Y1	Crystal 16Mhz 3.2x2.5mm, 4 pad	3225	1	C156247

QMK Firmware

Firmware has been written but not tested at this time. QMK files can be found here.

Additional Notes

This project uses KiCAD libraries maintained by ai03:

• MX_Alps_Hybrid
• random-keyboard-parts.pretty
• Type-C.pretty