HardLabs

PCB-PF-2026

Filiflaj·PCB-PF-2026·HW-PF-2026/PF-2026.kicad_pcb

PCB-PF-2026 layout, top view — open source AVR/Arduino board by Filiflaj

About the PCB-PF-2026

PCB-PF-2026 is an open source AVR/Arduino PCB design by Filiflaj, published on GitHub. It is a 4-layer board measuring 88 × 48 mm, with 114 components from 14 distinct parts.

Its main chip is the ATMEGA328P-AU, from the AVR/Arduino family. By type, the board carries 43 capacitors, 39 LEDs, 21 test points, 4 resistors, 3 jumpers and 1 IC.

It belongs with the displays & leds and usb & debug tools designs in this gallery.

From the project

A custom-designed PCB created as a unique "Pour Féliciter 2026" (Happy New Year 2026) greeting card. The board features 39 individually addressable LEDs arranged to form the text "PF 26", displaying a dynamic, warm fireworks sparkling effect.

A custom-designed PCB created as a unique "Pour Féliciter 2026" (Happy New Year 2026) greeting card. The board features 39 individually addressable LEDs arranged to form the text "PF 26", displaying a dynamic, warm fireworks sparkling effect.

This project is built around the ATmega328P-AU microcontroller, making it fully compatible with the Arduino ecosystem.

PCB-PF-2026, from the project README
From the project README

Main components on the PCB-PF-2026

ATMEGA328P-AU

PCB-PF-2026 bill of materials (BOM)

114 components, 14 distinct parts.

QtyPartRefs
1
ATMEGA328P-AU
U1
1
ABM8-16.000MHZ-7-1-U-T
ABM8-16.000MHZ
Y1
1
61300611121
ICSP
JP1
1
USB4110-GF-A
USB4110GFA
JP2
1
61300411121
~
JP3
1
B3U-1000P
S1
21
~
TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +13
39
WS2812B-2020
LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +31
1
SS14
D2
41
100nF
C1, C2, C5, C6, C7, C8, C9, C10 +33
2
04025A180JAT4A
18pF/50V
C3, C4
1
RT0402FRE0710KL
10k
R1
2
5k1
R2, R3
1
RT0402FRE07330RL
330R
R4

PCB-PF-2026 design files

The KiCad project lives in the Filiflaj/PCB-PF-2026 repository on GitHub; these links point at the commit this page was built from.

PCB-PF-2026: common questions

What microcontroller does the PCB-PF-2026 use?

The PCB-PF-2026 is built around the ATMEGA328P-AU, from the AVR/Arduino family.

How big is the PCB-PF-2026?

The PCB-PF-2026 measures 88 × 48 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the PCB-PF-2026?

114 components, from 14 distinct parts. The full bill of materials is listed on this page.

Where can I download the PCB-PF-2026 design files?

From the Filiflaj/PCB-PF-2026 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the PCB-PF-2026 design in my own project?

The repository has no license, so all rights stay with Filiflaj. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the PCB-PF-2026 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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