HardLabs

Keyboard

mintexists·lets-make-a-keyboard·Prehistoric/keyboard.kicad_pcb

Keyboard PCB layout, top view — open source AVR/Arduino board by mintexists

About the Keyboard PCB

Keyboard is an open source AVR/Arduino PCB design by mintexists, published on GitHub. It is a 2-layer board measuring 263.9 × 107.3 mm, with 122 components from 5 distinct parts.

Its main chip is the ProMicro, from the AVR/Arduino family. By type, the board carries 2 switches and 1 IC.

It belongs with the keyboards designs in this gallery.

Main components on the Keyboard

ProMicro

Keyboard bill of materials (BOM)

122 components, 5 distinct parts.

QtyPartRefs
1
ProMicro
U1
60
D
D_0, D_1, D_2, D_3, D_4, D_5, D_6, D_7 +52
59
KEYSW
K_0, K_1, K_2, K_3, K_4, K_5, K_6, K_7 +51
1
SW_Push
SW1
1
Rotary_Encoder_Switch
SW2

Keyboard design files

The KiCad project lives in the mintexists/lets-make-a-keyboard repository on GitHub; these links point at the commit this page was built from.

Keyboard: common questions

What microcontroller does the Keyboard use?

The Keyboard is built around the ProMicro, from the AVR/Arduino family.

How big is the Keyboard PCB?

The Keyboard measures 263.9 × 107.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Keyboard?

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

Where can I download the Keyboard design files?

From the mintexists/lets-make-a-keyboard repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Keyboard design in my own project?

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

Can I test firmware for the Keyboard 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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