The Hephaestus Mod - Main Board
limentic·the-hephaestus-mod·ECAD-files/prod-board/keyboard.kicad_pcb
About the The Hephaestus Mod - Main Board
The Hephaestus Mod - Main Board is an open source PCB design by limentic, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 314.8 × 122.3 mm, with 84 components from 13 distinct parts.
By type, the board carries 78 LEDs, 3 connectors, 2 switches and 1 diode.
It belongs with the keyboards and dev boards & breakouts designs in this gallery.
From the project
Transform your Apple Magic Keyboard into a mechanical keyboard. Not affiliated with Apple.
The Hephaestus Mod is an independent project created by hardware enthusiasts. It is not endorsed, sponsored, ore supported by Apple Inc. Use this project at your own risk. Modifying your Magic Keyboard WILL void any warranty provided by Apple Inc.

The Hephaestus Mod - Main Board bill of materials (BOM)
84 components, 13 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MATRIX_CONN Hirose | Hirose_FH12-40S-0.5SH_1x40-1MP_P0.50mm_Horizontal | J1 |
| 1 | TF22-16S-0.175SHW(800) TF22-16S-0.175SHW_800_ Hirose | TF2216S0175SHW800 | J2 |
| 1 | 505066-1222 Molex | 5050661222 | J3 |
| 1 | SW_SPST Molex | Molex_PicoBlade_53261-0271_1x02-1MP_P1.25mm_Horizontal | SW1 |
| 1 | SW_Push C&K | SW_SPST_PTS645 | SW2 |
| 69 | KEYSW | MX-1U-NoLED | K_SPACE0, K_SPACE1, K_SPACE2, K_SPACE3, K_SPACE4, K_SPACE5, K_SPACE6, K_SPACE7 +61 |
| 1 | KEYSW | MX-2U-NoLED | K_SPACE27 |
| 2 | KEYSW | MX-1.5U-NoLED | K_SPACE28, K_SPACE67 |
| 1 | KEYSW | MX-1.75U-NoLED | K_SPACE41 |
| 1 | KEYSW | MX-ISO-NoLED | K_SPACE54 |
| 3 | KEYSW | MX-1.25U-NoLED | K_SPACE55, K_SPACE72, K_SPACE74 |
| 1 | KEYSW | MX-6.25U-NoLED | K_SPACE73 |
| 1 | LED Lite-On | LED_0805_2012Metric | D1 |
The Hephaestus Mod - Main Board design files
The KiCad project lives in the limentic/the-hephaestus-mod repository on GitHub; these links point at the commit this page was built from.
The Hephaestus Mod - Main Board: common questions
How big is the The Hephaestus Mod - Main Board?
The The Hephaestus Mod - Main Board measures 314.8 × 122.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the The Hephaestus Mod - Main Board?
84 components, from 13 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the The Hephaestus Mod - Main Board design files?
From the limentic/the-hephaestus-mod repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the The Hephaestus Mod - Main Board design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which limentic chose for the repository.