HardLabs

Keyboard

nicola-strappazzon·keyboard·hardware/kicad/MatiasV1.0/Matias.kicad_pcb

Keyboard PCB layout, top view — open source AVR/Arduino board by nicola-strappazzon
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About the Keyboard PCB

Keyboard is an open source AVR/Arduino PCB design by nicola-strappazzon, published on GitHub. It is a 2-layer board measuring 230 × 96 mm, with 164 components from 18 distinct parts.

Its main chip is the ATmega32U2, from the AVR/Arduino family. Other key parts include the NCP1117. By type, the board carries 49 switches, 48 diodes, 48 inductors, 7 capacitors, 4 resistors and 2 ICs.

It belongs with the keyboards designs in this gallery.

From the project

Programmable ortholinear keyboard very low profile with RGB light

Es mi teclado Ortholinear diseñado y construido por mi, todo el hardware y el diseno es OpenSource (1), la idea de este repositorio es explicarte como se construye uno paso a paso.

1. Los MCU y otros componentes electronicos no son OpenSource.

Keyboard, from the project README
From the project README

Main components on the Keyboard

ATmega32U2NCP1117

Keyboard bill of materials (BOM)

164 components, 18 distinct parts.

QtyPartRefs
1
ATmega32U2
U1
1
NCP1117
U2
2
DMG2305UX
Q1, Q2
1
16Mhz
X1
1
USB Type B Mini
J1
1
0.5A
F1
1
AVR-ISP-6
ISP1
48
Push
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +40
1
Reset
SW49
48
1N47xxA
D1, D2, D3, D4, D5, D6, D7, D8 +40
48
SK6812MINI
L1, L2, L3, L4, L5, L6, L7, L8 +40
2
22pF
C1, C2
2
0.1uF
C3, C5
1
10uF
C4
2
10uF
C6, C7
2
22
R1, R2
1
10K
R3
1
100K
R5

Keyboard design files

The KiCad project lives in the nicola-strappazzon/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 ATmega32U2, from the AVR/Arduino family.

How big is the Keyboard PCB?

The Keyboard measures 230 × 96 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Keyboard?

164 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the Keyboard design files?

From the nicola-strappazzon/keyboard repository on GitHub, which has the KiCad layout and the schematic; 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 nicola-strappazzon. 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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