HardLabs

Ortho

Montana1176·Lefty-Ortho-113·old_ortho/ortho.kicad_pcb

This repository ships a schematic but no board layout.

About the Ortho PCB

Ortho is an open source RP2040/RP2350 PCB design by Montana1176, published on GitHub under the MIT license. It is a 2-layer board, with 343 components from 4 distinct parts.

Its main chip is the RP2350_STAMP_XL, from the RP2040/RP2350 family. By type, the board carries 229 diodes and 1 IC.

It belongs with the keyboards designs in this gallery.

From the project

104 Ortholinear Keyboard with Left Num Pad

Main components on the Ortho

RP2350_STAMP_XL

Ortho bill of materials (BOM)

343 components, 4 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
RP2350_STAMP_XL
RP2350_Stamp_XL
U1
113
MX-NoLED
MX1, MX2, MX3, MX4, MX5, MX6, MX7, MX8 +105
113
D_Small
D1, D2, D3, D4, D5, D6, D7, D8 +105
116
SK6812MINI
D114, D115, D116, D117, D118, D119, D120, D121 +108

Ortho design files

The KiCad project lives in the Montana1176/Lefty-Ortho-113 repository on GitHub; these links point at the commit this page was built from.

Ortho: common questions

What microcontroller does the Ortho use?

The Ortho is built around the RP2350_STAMP_XL, from the RP2040/RP2350 family.

How big is the Ortho PCB?

The Ortho has 2 copper layers and is 1.6 mm thick.

How many components are on the Ortho?

343 components, from 4 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Ortho design files?

From the Montana1176/Lefty-Ortho-113 repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Ortho design in my own project?

Yes, under the terms of its MIT license, which Montana1176 chose for the repository.

Can I test firmware for the Ortho without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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