Alps64 plate
tmk·alps64_plate
About the Alps64 plate PCB
Alps64 plate is an open source PCB design by tmk, published on GitHub. It is a 2-layer board measuring 285 × 95 mm, with 61 components from 5 distinct parts.
By type, the board carries 60 relays and 1 connector.
It belongs with the keyboards designs in this gallery.
From the project
KiCAD design for Alps64 Plate
AEK Plate for Alps64 PCB ======================== Two DXF files are available for Apple Exteded Keyboard layout. The difference is just spacebar part and other parts are identical.
Also check the first post of Alps64 PCB thread at geekhack.org.
Revisions --------- 2020/04 Removed dimension drawings from alps64plateaek.dxf 2018/04 AEK plate with flipped spacebar support 2016/07 AEK plate

Alps64 plate bill of materials (BOM)
61 components, 5 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CONN_01X01 | PIN_1 | P1 |
| 55 | KEYSW | ALPS_SKCM_CUTOUT | K00, K01, K02, K03, K04, K05, K06, K07 +47 |
| 1 | KEYSW | ALPS_SKCM_CUTOUT_STAB406 | K21 |
| 3 | KEYSW | ALPS_SKCM_CUTOUT_STAB256 | K23, K27_1, K31 |
| 1 | KEYSW | ALPS_SKCM_CUTOUT_STAB883_flip | K60 |
Alps64 plate design files
The KiCad project lives in the tmk/alps64_plate repository on GitHub; these links point at the commit this page was built from.
- Layoutalps64.kicad_pcb
Alps64 plate: common questions
How big is the Alps64 plate PCB?
The Alps64 plate measures 285 × 95 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Alps64 plate?
61 components, from 5 distinct parts. The full bill of materials is listed on this page.
Where can I download the Alps64 plate design files?
From the tmk/alps64_plate repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Alps64 plate design in my own project?
The repository has no license, so all rights stay with tmk. Use it as a reference, and ask the author before reusing the design.