HardLabs

Qfwfq

ASH-ART·Qfwfq·PCB Files/qfwfq.kicad_pcb

Qfwfq PCB layout, top view — open source AVR/Arduino board by ASH-ART
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About the Qfwfq PCB

Qfwfq is an open source AVR/Arduino PCB design by ASH-ART, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 219.1 × 95.3 mm, with 89 components from 20 distinct parts.

Its main chip is the ATMEGA32U4-AU, from the AVR/Arduino family. Other key parts include the PRTR5V0U2X. By type, the board carries 34 relays, 34 diodes, 9 capacitors, 6 resistors, 2 ICs and 1 crystal.

It belongs with the keyboards designs in this gallery.

From the project

A sub-40% keyboard PCB in the spirit of weteor's klacker_BS

A sub-40% keyboard PCB in the spirit of weteor's Klacker_BS, with base kit modifiers and MechVault-style split bars. It wouldn't be a sub-40% without spicy keycap compatibility.

This PCB has been tested to work. The members of the PCB development team are not liable if you end up with a non-functional pcb. Order at your own risk. Support will not be provided but pull requests will be reviewed and possibly accepted.

Qfwfq, from the project README
From the project README

Main components on the Qfwfq

ATMEGA32U4-AUPRTR5V0U2X

Qfwfq bill of materials (BOM)

89 components, 20 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATMEGA32U4-AU
ATmega32U4-AU
U1
1
PRTR5V0U2X
U2
1
16MHZ
16MHz
Y1
1
500MA
500mA
F1
6
1.5U
K0, K5, K26, K27, K28, K29
18
1U
K1, K2, K3, K4, K7, K8, K9, K10 +10
4
1.75U
K6, K15, K31, K32
5
1.25U
K16, K21, K25, K30, K33
1
1.25U
K20
1
SW_Push
SW1
1
HRO-TYPE-C-31-M-12
USB1
32
C8598
D
D0, D1, D2, D3, D4, D5, D6, D7 +24
2
C8598
D_Small
D30, D33
1
10UF
10uF
C1
5
0.1UF
0.1uF
C2, C3, C4, C5, C6
1
1UF
1uF
C7
2
22PF
22pF
C8, C9
2
5.1K
5.1k
R1, R2
2
22
R3, R4
2
10K
10k
R5, R6

Qfwfq design files

The KiCad project lives in the ASH-ART/Qfwfq repository on GitHub; these links point at the commit this page was built from.

Qfwfq: common questions

What microcontroller does the Qfwfq use?

The Qfwfq is built around the ATMEGA32U4-AU, from the AVR/Arduino family.

How big is the Qfwfq PCB?

The Qfwfq measures 219.1 × 95.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Qfwfq?

89 components, from 20 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 Qfwfq design files?

From the ASH-ART/Qfwfq repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Qfwfq design in my own project?

Yes, under the terms of its GPL-3.0 license, which ASH-ART chose for the repository.

Can I test firmware for the Qfwfq 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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