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2 layers75 × 33.5 mmBlinky Board, the printed circuit board in 3D

My HackClub blinki board project for statis. This is my first ever custom hardware project designing my own PCB and using KiCad

Size
75 × 33.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
19
Nets
19
Pads
58
Tracks, vias
230, 3
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
5 May 2026
Updated
14 May 2026

Overview

Blinky Board is an open-source printed circuit board by ZECODER2022, from the ZECODER2022/Blinky-Board repository on GitHub. It is a 2-layer board of 75 × 33.5 mm with 19 parts on 19 nets, routed with 230 tracks and 3 vias.

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

Main components

1

README

README.md

Planet Blinky Board

My blinky board is the simple design that resembles a planet and its rings. It has 10 Leds arranged to blink in a circular pattern on the planet design. The Power input for it is on the back for easy to hide cable management to make it look cool.

List of Parts:

  • This project uses just the parts that come inside the hackclub blinky board bundle. For the PCB production it is estamated around $24.
Screenshot 2026-05-14 at 8 09 51 AM

Photo of PCB design below:

Screenshot 2026-05-07 at 2 50 00 PM

Photo of Schemadic Below:

Screenshot 2026-05-14 at 8 09 05 AM

This was my first ever custom PCB it came back with no issues when i ran a check and im pretty happy with how it came out!

Parts

19
QtyValueFootprintReferences
10LEDLED_THT:LED_D3.0mmD1, D2, D5, D6, D7, D8, D9, D10, D11, D12
10.01uCapacitor_THT:C_Disc_D7.5mm_W2.5mm_P5.00mmC2
11KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR1
11uCapacitor_THT:CP_Radial_D5.0mm_P2.00mmC1
14017ul_CD4017BE:N16U2
1470Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR2
150KPotentiometer_THT:Potentiometer_Vishay_T93YA_VerticalRV1
1Conn_01x01_SocketConnector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_VerticalJ2
1Conn_01x02_SocketConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ1
1NE555PPackage_DIP:DIP-8_W7.62mmU1

Questions

How big is the Blinky Board PCB?

It measures 75 × 33.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Blinky Board use?

19 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 Board KiCad files?

From the ZECODER2022/Blinky-Board repository on GitHub, at the commit this page was made from: the board is BlinkyBoard/Untitled/Untitled.kicad_pcb and its schematic BlinkyBoard/Untitled/Untitled.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

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

Its repository states no licence, so its author keeps all rights: ask ZECODER2022 before reusing the design.

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