HardLabs

Keyboard

Skycode22·HIDs·Store Boards/Track75/pcb/keyboard.kicad_pcb

Keyboard PCB layout, top view — open source AVR/Arduino board by Skycode22
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About the Keyboard PCB

Keyboard is an open source AVR/Arduino PCB design by Skycode22, published on GitHub. It is a 2-layer board measuring 364.9 × 108.3 mm, with 40 components from 16 distinct parts.

Its main chip is the ATMEGA32U4-AU, from the AVR/Arduino family. Other key parts include the AP7331-WG-7, XC6206P332MR and TXS0104EDR. By type, the board carries 5 capacitors, 4 ICs, 4 resistors and 1 connector.

It belongs with the keyboards designs in this gallery.

From the project

HID projects

HID (Human Interface Device) projects; Keyboards, trackballs, controllers of all sorts.

This repo is for the HID projects I have been working on and are making public for anyone to use, replicate, innovate, and otherwise utilize to their liking. If you make any new design changes/innovations, I would love to see them and potentially add them to the repository!

Keyboard, from the project README
From the project README

Main components on the Keyboard

AP7331-WG-7XC6206P332MRATMEGA32U4-AUTXS0104EDR

Keyboard bill of materials (BOM)

40 components, 16 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
AP7331-WG-7
AP7335-WG-7
IC1
1
XC6206P332MR
U1
1
ATMEGA32U4-AU
PMW3360DM-T2QU
U2
1
TXS0104EDR
U4
1
Conn_01x06_Female
J1
13
D
D_0, D_1, D_2, D_3, D_4, D_5, D_6, D_7 +5
12
KEYSW
K_0, K_1, K_2, K_3, K_4, K_5, K_6, K_7 +4
1
KEYSW
K_SHIFT1
1
22PF
2.2uF
C1
1
22PF
10uF
C2
1
10UF
4.7uF
C3
1
C28323
1uF
C4
1
1UF
1uF
C5
2
10k
R1, R2
1
10K
15k
R3
1
10K
39
R4

Keyboard design files

The KiCad project lives in the Skycode22/HIDs 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 ATMEGA32U4-AU, from the AVR/Arduino family.

How big is the Keyboard PCB?

The Keyboard measures 364.9 × 108.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Keyboard?

40 components, from 16 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 Keyboard design files?

From the Skycode22/HIDs repository on GitHub, which has the KiCad layout and the BOM; 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 Skycode22. 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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