HardLabs

Treadstone32

marksard·Keyboards·treadstone32/pcb/rev1.1/Treadstone32.kicad_pcb

Treadstone32 PCB layout, top view — open source AVR/Arduino board by marksard

About the Treadstone32 PCB

Treadstone32 is an open source AVR/Arduino PCB design by marksard, published on GitHub under the MIT license. It is a 2-layer board measuring 198.8 × 75.8 mm, with 79 components from 13 distinct parts.

Its main chip is the ATMEGA32U4, from the AVR/Arduino family. By type, the board carries 32 switches, 32 diodes, 5 capacitors, 4 resistors, 2 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)

Treadstone32, from the project README
From the project README

Main components on the Treadstone32

ATMEGA32U4

Treadstone32 bill of materials (BOM)

79 components, 13 distinct parts.

QtyPartRefs
1
ATMEGA32U4
U1
1
16MHz
X1
1
USB_mini_micro_B
J1
1
Conn_01x03
J2
1
500mA
F1
1
Reset
Reset1
32
SW_PUSH
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +24
32
D
D1, D2, D3, D4, D5, D6, D7, D8 +24
1
0.1uF
C1
2
1uF
C2, C3
2
22pF
C4, C5
2
22
R1, R2
2
10k
R3, R4

Treadstone32 design files

The KiCad project lives in the marksard/Keyboards repository on GitHub; these links point at the commit this page was built from.

Treadstone32: common questions

What microcontroller does the Treadstone32 use?

The Treadstone32 is built around the ATMEGA32U4, from the AVR/Arduino family.

How big is the Treadstone32 PCB?

The Treadstone32 measures 198.8 × 75.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Treadstone32?

79 components, from 13 distinct parts. The full bill of materials is listed on this page.

Where can I download the Treadstone32 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 Treadstone32 design in my own project?

Yes, under the terms of its MIT license, which marksard chose for the repository.

Can I test firmware for the Treadstone32 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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