Stonehenge30
marksard·Keyboards·stonehenge30/pcb/rev0.1/Stonehenge30.kicad_pcb
About the Stonehenge30 PCB
Stonehenge30 is an open source PCB design by marksard, published on GitHub under the MIT license. It is a 2-layer board measuring 219.1 × 66.7 mm, with 66 components from 6 distinct parts.
Other key parts include the ProMicro. By type, the board carries 30 switches, 30 diodes, 4 connectors and 1 IC.
It belongs with the keyboards designs in this gallery.
From the project
This repository is warehouse of my keyboard architecture.
This repository is warehouse of my keyboard architecture.
Release firmware Keymap editing web service REMAP
The Rhymestone is 40-key (40%) ortholinear keyboard. It is based on The crkbd and The Helix keyboard. Thank you so much makoto kurauchi-san and foostan-san.😊
The Treadstone48 is 47 or 48-key (50%) Symmetric staggered keyboard. It is based on the Rhymestone. Therefore, The Rhymestone can connect to the Treadstone48 as Numpad or lefthand keyboard. (rev1 only)

Main components on the Stonehenge30
Stonehenge30 bill of materials (BOM)
66 components, 6 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ProMicro | ProMicro_v2_front | U1 |
| 1 | OLED | OLED | J1 |
| 3 | Conn_01x03 | StripLED_back | J2, J3, J4 |
| 1 | RSW | ResetSW | RSW1 |
| 30 | SW_PUSH | MX-Alps-Choc-1U-NoLED | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +22 |
| 30 | D | D3_SMD_front | D1, D2, D3, D4, D5, D6, D7, D8 +22 |
Stonehenge30 design files
The KiCad project lives in the marksard/Keyboards repository on GitHub; these links point at the commit this page was built from.
Stonehenge30: common questions
How big is the Stonehenge30 PCB?
The Stonehenge30 measures 219.1 × 66.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Stonehenge30?
66 components, from 6 distinct parts. The full bill of materials is listed on this page.
Where can I download the Stonehenge30 design files?
From the marksard/Keyboards repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Stonehenge30 design in my own project?
Yes, under the terms of its MIT license, which marksard chose for the repository.