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2 layers56 × 50.5 mmBlinky pad, the printed circuit board in 3D

A simple blinky pad made to vaguely resemble Tony Stark's Arc Reactor

Size
56 × 50.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
17
Nets
18
Pads
79
Tracks, vias
133, 0
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
14 Mar 2026
Updated
25 Mar 2026

Overview

Blinky pad is an open-source printed circuit board by expvf, from the expvf/Surfer-s-PCB repository on GitHub. It is a 2-layer board of 56 × 50.5 mm with 17 parts on 18 nets, routed with 133 tracks and 0 vias.

It is built around the NE555P. Its parts include 10 diodes, 2 capacitors, 2 resistors and 2 ICs.

Main components

1

README

README.md

Surfer-s-PCB

A blinky pad that has written on it one of my favorite quotes.

I didn't really know what to do with the design so I added a little comic book reference.

The LEDs are lined up in the shape of a sephiroth tree because I thought it would be cool

Why I made this

I designed this project as a piece of tech-art. Rather than a standard grid, the LEDs are arranged in the shape of the Sephiroth Tree (Tree of Life) to create a striking visual effect when powered on.

It’s meant to be framed or kept on a desk as a conversation piece. #BOM

Features

  • LED Layout: 10-LED Sephirothic configuration.

Bill of Materials (BOM)

NamePurposeQtyTotal (USD)DistributorLink
PCBMain board1$3.50JLCPCB[View]

Note: Prices may vary based on shipping and current manufacturing promos.

Media

Screenshot (1103)

How to Use

  1. Order: Upload the Gerber files to a manufacturer like JLCPCB.
  2. Assemble: Solder the LEDs and resistors to the designated pads.
  3. Display: Power it up and enjoy the glow!

License

This project is open-source. Feel free to use the design for your own personal projects.

Parts

17
QtyValueFootprintReferences
10LEDLED_SMD:LED_0201_0603MetricD1, D2, D3, D4, D5, D6, D7, D8, D9, D10
11kResistor_SMD:R_0201_0603MetricR1
1330Resistor_SMD:R_0201_0603MetricR2
14017footprints:N16U2
150kPotentiometer_THT:Potentiometer_ACP_CA6-H2,5_HorizontalRV1
1CCapacitor_SMD:C_0402_1005MetricC2
1C_PolarizedCapacitor_SMD:CP_Elec_3x5.3C1
1NE555PPackage_DIP:DIP-8_W7.62mmU1

Questions

How big is the Blinky pad PCB?

It measures 56 × 50.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Blinky pad use?

17 parts, built around the NE555P. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Blinky pad KiCad files?

From the expvf/Surfer-s-PCB repository on GitHub, at the commit this page was made from: the board is blinky pad.kicad_pcb and its schematic blinky pad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Blinky pad design in my own project?

Its repository states no licence, so its author keeps all rights: ask expvf before reusing the design.

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