HardLabs

42

nglgzz·42·pcb/kicad/pcb.kicad_pcb

42 PCB layout, top view — open source board by nglgzz

About the 42 PCB

42 is an open source PCB design by nglgzz, published on GitHub under the MIT license. It is a 2-layer board measuring 303 × 103 mm, with 85 components from 3 distinct parts.

Other key parts include the Elite-C. By type, the board carries 42 relays, 42 diodes and 1 IC.

It belongs with the keyboards designs in this gallery.

From the project

42 keys ergonomic keyboard

Here you can find the Kicad project for the keyboard's circuit board, and the Gerber files needed to manufacture it.

Main components on the 42

Elite-C

42 bill of materials (BOM)

85 components, 3 distinct parts.

QtyPartRefs
1
Elite-C
U1
42
KEYSW
K0, K0A1, K0B1, K1, K1A1, K1B1, K2, K2A1 +34
42
D
D0, D0A1, D0B1, D1, D1A1, D1B1, D2, D2A1 +34

42 design files

The KiCad project lives in the nglgzz/42 repository on GitHub; these links point at the commit this page was built from.

42: common questions

How big is the 42 PCB?

The 42 measures 303 × 103 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the 42?

85 components, from 3 distinct parts. The full bill of materials is listed on this page.

Where can I download the 42 design files?

From the nglgzz/42 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the 42 design in my own project?

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

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