

Treadstone48
This repository is warehouse of my keyboard architecture.
- Size
- 281 × 76.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 125
- Nets
- 74
- Pads
- 622
- Tracks, vias
- 701, 95
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 18 Dec 2018
- Updated
- 17 Aug 2024
Overview
Treadstone48 is an open-source printed circuit board by marksard, from the marksard/Keyboards repository on GitHub, published under the MIT licence. It is a 2-layer board of 281 × 76.2 mm with 125 parts on 74 nets, routed with 701 tracks and 95 vias.
Its parts include 51 switches, 48 diodes, 5 connectors, 2 resistors and 1 IC. It belongs with the keyboards and input boards and the AVR (ATmega, ATtiny) boards of this library.
README
README.mdKeyboards
This repository is warehouse of my keyboard architecture.
About Firmware
Release firmware
Keymap editing web service REMAP
WARNING
Note that for these keyboards, the design is older and also less likely to support the latest firmware and architecture.
Also, KICAD files may be incomplete, they are not going to be perfect.
Rhymestone

About Rhymestone
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.😊
Build guide
Firmware
Hardware data
Treadstone48
rev1

rev2

About Treadstone48
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)
This Symmetrical Staggered is designed to be easy to use in a natural posture and easy for your fingers to reach.
And more one topic, this key arrangement can use general ansi 104 keycaps.
Build guide
Build guide (En)
Firmware
Hardware data
About Treadstone48
Case design sample
Stonehenge30 (deprecated)

About Stonehenge30
The Stonehenge30 is 30-key (30%) Symmetric staggered keyboard. It is based on the Treadstone48. And it is thumb-less (not use thumb) keyboard of prototype.
Build guide
Firmware
Hardware data
About Stonehenge30
Case design sample
Treadstone32
rev1

lite

About Treadstone32
The Treadstone32 is 32-key (30%) Symmetric staggered keyboard. It is based on the Treadstone48 and the Stonehenge30.
This keyboard is removing dedicated modifire-key from the Treadstone48 for more compact. But 2 thumb-key is left same as Treadtone48.
Build guide (lite)
Build guide
Build guide (En)
Firmware
Hardware data
About Treadstone32
Treadstone60

About Treadstone60
The Treadstone60 is 59-62key (60%) Symmetric staggered keyboard. It is based on the Treadstone48 and the Treadstone32.
Leftover30

About Leftover30
The Leftover30 is 34-36key (30%) Row staggered keyboard. This project was created by marksard, yohewi and hdbx.
Troubleshooting
Parts
125| Qty | Value | Footprint | References |
|---|---|---|---|
| 48 | D | kbd:D3_SMD_front | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +32 |
| 45 | SW_PUSH | kbd:CherryMX_Hotswap_front | SW2, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW21, SW22, SW23, SW24, SW25 +29 |
| 8 | kbd:LEGO_HOLE | , , , , , , , | |
| 3 | Conn_01x03 | kbd:StripLED_front | J3, J4, J5 |
| 2 | kbd:LEGO_HOLE2 | , | |
| 2 | R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2 |
| 2 | SW_1Ux2 | kbd:CherryMX_Hotswap_front | SW1, SW4 |
| 1 | DataJP | Jumper:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm | JP1 |
| 1 | LOGO | kbd:Treadstone48_logo | G*** |
| 1 | LOGO | kbd:Treadstone48_logo_m | G*** |
| 1 | MJ-4PP-9 | kbd:MJ-4PP-9_front | J1 |
| 1 | OLED | kbd:OLED | J2 |
| 1 | ProMicro | kbd:ProMicro_v2_back | U1 |
| 1 | RSW | kbd:ResetSW | RSW1 |
| 1 | SDAJP | kbd:Jumper | JP3 |
| 1 | SDLJP | kbd:Jumper | JP2 |
| 1 | SW_1.25U | kbd:CherryMX_Hotswap_front | SW20 |
| 1 | SW_1U | kbd:CherryMX_Hotswap_front | SW220 |
| 1 | SW_2U | kbd:CherryMX_Hotswap_front | SW102 |
| 1 | SW_Extra | kbd:CherryMX_Hotswap_front | SW404 |
The 123 most common of 125 parts.
Questions
How big is the Treadstone48 PCB?
It measures 281 × 76.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Treadstone48 use?
125 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Treadstone48 KiCad files?
From the marksard/Keyboards repository on GitHub, at the commit this page was made from: the board is treadstone48/pcb/rev1.3/Treadstone48.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Treadstone48 design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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