HardLabs

Atmega32u4-minimal

marcbperez·atmega32u4-minimal·kicad-project/atmega32u4-minimal.kicad_pcb

Atmega32u4-minimal PCB layout, top view — open source AVR/Arduino board by marcbperez

About the Atmega32u4-minimal PCB

Atmega32u4-minimal is an open source AVR/Arduino PCB design by marcbperez, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 43.2 × 33 mm, with 12 components from 7 distinct parts.

Its main chip is the ATmega32U4, from the AVR/Arduino family. By type, the board carries 3 connectors, 3 capacitors, 3 resistors, 1 IC, 1 crystal and 1 switch.

From the project

Expansion board for Atmega32u4.

The schematics project is done in KiCad, free and available to most common platforms. More information on how to download and install KiCad can be found in its [official download page][download-kicad].

Clone the sources and browse the package folder. The KiCad project is located in kicad-project/atmega32u4-minimal.pro.

There is no testing in place for this project yet.

Main components on the Atmega32u4-minimal

ATmega32U4

Atmega32u4-minimal bill of materials (BOM)

12 components, 7 distinct parts.

QtyPartRefs
1
ATmega32U4
U1
1
Crystal
Y1
2
CONN_02X10
P1, P3
1
CONN_01X02
P2
1
SW_PUSH
SW1
3
C
C1, C2, C3
3
R
R1, R2, R3

Atmega32u4-minimal design files

The KiCad project lives in the marcbperez/atmega32u4-minimal repository on GitHub; these links point at the commit this page was built from.

Atmega32u4-minimal: common questions

What microcontroller does the Atmega32u4-minimal use?

The Atmega32u4-minimal is built around the ATmega32U4, from the AVR/Arduino family.

How big is the Atmega32u4-minimal PCB?

The Atmega32u4-minimal measures 43.2 × 33 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Atmega32u4-minimal?

12 components, from 7 distinct parts. The full bill of materials is listed on this page.

Where can I download the Atmega32u4-minimal design files?

From the marcbperez/atmega32u4-minimal repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Atmega32u4-minimal design in my own project?

Yes, under the terms of its Apache-2.0 license, which marcbperez chose for the repository.

Can I test firmware for the Atmega32u4-minimal 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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