HardLabs

KBD

magwas·steam_powerplant·KBD/KBD.kicad_pcb

KBD PCB layout, top view — open source AVR/Arduino board by magwas

About the KBD PCB

KBD is an open source AVR/Arduino PCB design by magwas, published on GitHub. It is a 2-layer board measuring 283.7 × 110 mm, with 173 components from 3 distinct parts.

Its main chip is the ATmega32U4-A, from the AVR/Arduino family. By type, the board carries 86 switches, 86 diodes and 1 IC.

From the project

Rugged watercooled laptop with steampunk design

An Open Hardware RISC-V based rugged, watercooled laptop with steampunk design.

- based on the HiFive Unmatched Rev B board, because it is RISC-V - actually useable - waterproof - shock proof - long battery life - water cooled - steampunk

I wanted a RISC-V laptop. I usually carry my laptop in my car, and sometimes things happen to it. So I choose ruggedness over lightness. The laptop is my single most important object, so I looked up the parts I need, without regard to their price. Well, later I added up the prices, and got a little shock. But I have already ordered everything, so...

Main components on the KBD

ATmega32U4-A

KBD bill of materials (BOM)

173 components, 3 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATmega32U4-A
U2
86
SW_Push
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +78
86
D
D1, D2, D3, D4, D5, D6, D7, D8 +78

KBD design files

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

KBD: common questions

What microcontroller does the KBD use?

The KBD is built around the ATmega32U4-A, from the AVR/Arduino family.

How big is the KBD PCB?

The KBD measures 283.7 × 110 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the KBD?

173 components, from 3 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 KBD design files?

From the magwas/steam_powerplant 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 KBD design in my own project?

The repository has no license, so all rights stay with magwas. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the KBD 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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