Alpsterium
About the Alpsterium PCB
Alpsterium is an open source PCB design by Davines123, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 347.7 × 146.6 mm, with 259 components from 18 distinct parts.
Other key parts include the YAAJ_BlackPill_SWD_Breakout. By type, the board carries 160 switches, 93 diodes, 2 resistors and 1 IC.
It belongs with the keyboards designs in this gallery.
From the project
A Heavily edited Variant of the Mysterium THT Keyboard
BOM, Build Guide, and Flashing Information
Optional High Profile Lasercut Acrylic Case
V2 - Cleaning up, fix isolated GND plane, switched left shift to 2.25u, added 3800 stepped capslock
Main components on the Alpsterium
Alpsterium bill of materials (BOM)
259 components, 18 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | YAAJ_BlackPill_SWD_Breakout | DIP-40_W15.24mm_Socket | U1 |
| 1 | D_Small | D_DO-35_SOD27_P5.08mm_Horizontal | DN1 |
| 1 | RESET | SW_PUSH_6mm | RESET1 |
| 102 | KEYSW | MX-1U-NoLED | SW0, SW1, SW2, SW3, SW4, SW5, SW6, SW7 +94 |
| 13 | KEYSW | MX-1.5U-NoLED | SW33, SW77, SW80, SW81, SW82, SW83, SW87, SW88 +5 |
| 1 | KEYSW | MX-ISO-ReversedStabilizers | SW46 |
| 3 | KEYSW | MX-1.75U-NoLED | SW50, SW128, SW131 |
| 3 | KEYSW | MX-1.25U-NoLED | SW51, SW91, SW127 |
| 6 | KEYSW | MX-2U-NoLED | SW64, SW75, SW130, SW136, SW137, SW138 |
| 1 | KEYSW | MX-7U-ReversedStabilizers-NoLED | SW89 |
| 1 | KEYSW | MX-2.75U-ReversedStabilizers-NoLED | SW106 |
| 26 | KEYSW | ALPS-1U | SW108, SW109, SW110, SW114, SW115, SW116, SW117, SW118 +18 |
| 2 | KEYSW | MX-2.25U-ReversedStabilizers-NoLED | SW111, SW112 |
| 1 | KEYSW | MX-2.5U-ReversedStabilizers-NoLED | SW134 |
| 1 | KEYSW | MX-6.5U-FLIPPED-NoStabilizers | SW141 |
| 1 | USB_C_GCT_USB4085 | USB_C_GCT_USB4085 | USB1 |
| 93 | D_Small | D_DO-35_SOD27_P5.08mm_Horizontal | D0, D1, D2, D3, D4, D5, D6, D7 +85 |
| 2 | 5.1k | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R2 |
Alpsterium design files
The KiCad project lives in the Davines123/Swissterium repository on GitHub; these links point at the commit this page was built from.
- LayoutAlpsterium-pcb.kicad_pcb
- SchematicAlpsterium-pcb.kicad_sch
Alpsterium: common questions
How big is the Alpsterium PCB?
The Alpsterium measures 347.7 × 146.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Alpsterium?
259 components, from 18 distinct parts. The full bill of materials is listed on this page.
Where can I download the Alpsterium design files?
From the Davines123/Swissterium repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Alpsterium design in my own project?
Yes, under the terms of its GPL-3.0 license, which Davines123 chose for the repository.
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