Seed75

A completely hand made 75% mechanical keyboard from PCB to case, even the firmware.

Features

• 75% Layout
• Hot Swappable Sockets
• Sleep Design
• Customizable Push Knob
• USB C Port
• Detachable Angle Elevation
• Sandwich Mount
• Wrist Rest

Images

PCB Schematics

PCB

PCB Front Layer

PCB Back Layer

PCB Rendered Front

PCB Rendered Back

Complete Case

Bottom Case

Top Case

Plate

Elevator

Wrist Rest

Knob

BOM

Item	Quantity	Cost (USD)*	Purchase Link
1N4148 Diodes	90 Pack	1.52	https://stackskb.com/store/1n4148-through-hole-diode/
Akko Bittersweet Switch	90 Pack	33.40	https://stackskb.com/store/akko-bittersweet-switch-pack-of-45/
EC11 Rotary Encoder	1	0.43	https://www.flyrobo.in/ec11-rotary-encoder-half-shaft-handle-potentiometer-15mm
Orpheus Pico	1		Hack Club
Gateron Hotswap Sockets	90 Pack	10.00	https://stackskb.com/store/gateron-hotswap-sockets/
Durock v2 Stabilizers Set	1	17.98	https://stackskb.com/store/durock-clear-screw-in-stabilizers-v2/?attribute_combination=4%2B1+Set&attribute_spacebar-size=6.25U
Keycap Set	1	22.21	https://curiositycaps.in/products/camp-picnic-xvx-p-profile-dye-sub-doubleshot-combination-keycap
M3x20 Hex CSK Screws	6x2	0.20	https://omrook.com/ss-allen-csk-m3-x-20mm-dia-3mm-length-20mm-stainless-steel-ss202-allen-socket-countersunk-screws/
M3x6 Hex CSK Screws	4x2	0.05	https://omrook.com/ss-allen-csk-m3-x-6mm-dia-3mm-length-6mm-stainless-steel-ss202-allen-socket-countersunk-screws/
M3 X 3mm Brass Threaded Inserts	10x2	0.83	https://omrook.com/m3-x-4-brass-threaded-inserts-nut-50pc/
Bottom Case, Top Case, Plate, Knob, Elevator, Wrist Rest	1		(3D Printed)
PCB	1	56.87	https://www.pcbpower.com/

Cost is as of 01/01/2026

Software Used

• KiCAD
• Fusion 360

Author

Krish

License

This project is licensed under the AGPL-3.0 License.