HardLabs

Spritzgeback

jeremygam·spritzgeback·spritzgeback_hotswap/KiCAD_project/Spritzgeback.kicad_pcb

Spritzgeback PCB layout, top view — open source AVR/Arduino board by jeremygam

About the Spritzgeback PCB

Spritzgeback is an open source AVR/Arduino PCB design by jeremygam, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 300.7 × 87.6 mm, with 174 components from 17 distinct parts.

Its main chip is the ATMEGA32U4, from the AVR/Arduino family. Other key parts include the USBLC6-2SC6. By type, the board carries 11 capacitors, 7 resistors, 2 ICs, 2 inductors, 1 crystal and 1 connector.

It belongs with the keyboards designs in this gallery.

From the project

a suite of custom low profile mechanical keyboards

Main components on the Spritzgeback

ATMEGA32U4USBLC6-2SC6

Spritzgeback bill of materials (BOM)

174 components, 17 distinct parts.

QtyPartRefs
1
ATMEGA32U4
U1
1
USBLC6-2SC6
U2
1
16MHz
X1
1
USB_C_Receptacle
J1
74
D_Small_ALT
D_1, D_2, D_3, D_4, D_5, D_6, D_7, D_8 +66
1
Polyfuse_Small
F1
74
SW_SPST
S_1, S_2, S_3, S_4, S_5, S_6, S_7, S_8 +66
1
D_Small_ALT
LED_1
2
Ferrite_Bead_Small
FB1, FB2
2
22pF
C1, C2
6
0.1u
C3, C4, C5, C6, C7, C11
2
1u
C8, C10
1
4.7u
C9
2
22
R1, R2
2
5.1k
R3, R4
2
10k
R5, R6
1
330
R7

Spritzgeback design files

The KiCad project lives in the jeremygam/spritzgeback repository on GitHub; these links point at the commit this page was built from.

Spritzgeback: common questions

What microcontroller does the Spritzgeback use?

The Spritzgeback is built around the ATMEGA32U4, from the AVR/Arduino family.

How big is the Spritzgeback PCB?

The Spritzgeback measures 300.7 × 87.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Spritzgeback?

174 components, from 17 distinct parts. The full bill of materials is listed on this page.

Where can I download the Spritzgeback design files?

From the jeremygam/spritzgeback repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Spritzgeback design in my own project?

Yes, under the terms of its CC-BY-SA-4.0 license, which jeremygam chose for the repository.

Can I test firmware for the Spritzgeback 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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