HardLabs

Julkort

CASE-Association·christmas-cards·2024/Julkort/Julkort.kicad_pcb

Julkort PCB layout, top view — open source AVR/Arduino board by CASE-Association

About the Julkort PCB

Julkort is an open source AVR/Arduino PCB design by CASE-Association, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 49.2 × 95.9 mm, with 20 components from 5 distinct parts.

Its main chip is the L78L05_SOT89, from the AVR/Arduino family. By type, the board carries 16 diodes, 1 IC, 1 switch and 1 resistor.

From the project

All CASE christmas cards over the years

Go to https://case-association.github.io/christmas-cards/index.html for 2021 version.

Main components on the Julkort

L78L05_SOT89

Julkort bill of materials (BOM)

20 components, 5 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
L78L05_SOT89
~
MICROCHIP(美国微芯)
U2
1
TS-1187A-B-A-B
S1
1
TYPE-C-31-M-12
韩国韩荣
USBC1
16
SK6805-EC15
SK6805
D1, D2, D3, D4, D5, D6, D7, D8 +8
1
470
R1

Julkort design files

The KiCad project lives in the CASE-Association/christmas-cards repository on GitHub; these links point at the commit this page was built from.

Julkort: common questions

What microcontroller does the Julkort use?

The Julkort is built around the L78L05_SOT89, from the AVR/Arduino family.

How big is the Julkort PCB?

The Julkort measures 49.2 × 95.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Julkort?

20 components, from 5 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 Julkort design files?

From the CASE-Association/christmas-cards repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Julkort design in my own project?

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

Can I test firmware for the Julkort 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.

More boards in christmas-cards

Similar boards