HardLabs

Milk crate

somepin·milk-crate·kicad/milkcrate.kicad_pcb

Milk crate PCB layout, top view — open source board by somepin
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About the Milk crate PCB

Milk crate is an open source PCB design by somepin, published on GitHub under the MIT license. It is a 2-layer board measuring 35 × 50 mm, with 5 components from 4 distinct parts.

Other key parts include the ProMicro. By type, the board carries 2 connectors, 2 LEDs and 1 IC.

It belongs with the keyboards designs in this gallery.

From the project

A 2-key ISO enter macropad with a 3d printable case

Another milk-themed meme board, for your extra unused base kit/novelty ISO keys. Inspired by Spaceboards/2% Milk.

Print upside down slowly at ≤0.2mm layer height, with supports enabled.

Essentially the same as 2% Milk. I reccomend flasing the firmware to the Pro Micro before assembly.

1. Put switches into the top of the case. With the port on the left, the left switch is north facing, and the right switch is south facing. 2. Break apart the headers to only use the required pins in the diagram below. 3. Solder short header pins to the side that says "GET SOME MILK". The plastic headers…

Milk crate, from the project README
From the project README

Main components on the Milk crate

ProMicro

Milk crate bill of materials (BOM)

5 components, 4 distinct parts.

QtyPartRefs
1
ProMicro
U1
1
RST
J1
1
RGB
J2
2
MX-NoLED
MX1, MX2

Milk crate design files

The KiCad project lives in the somepin/milk-crate repository on GitHub; these links point at the commit this page was built from.

Milk crate: common questions

How big is the Milk crate PCB?

The Milk crate measures 35 × 50 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Milk crate?

5 components, from 4 distinct parts. The full bill of materials is listed on this page.

Where can I download the Milk crate design files?

From the somepin/milk-crate repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Milk crate design in my own project?

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

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