2 layers45.7 × 12.7 mm LedDriver, the printed circuit board in 3D

LedDriver

Simple LED Driver using a 2N3904 Transistor to drive 4 LED's in paralel

Size: 45.7 × 12.7 mm
Copper layers: 2
Thickness: 1.6 mm
Parts: 9
Nets: 5
Pads: 18
Tracks, vias: 24, 0
Routed: Yes
KiCad: KiCad 10.0 (file 20260206)
Created: 26 Mar 2016
Updated: 20 Jul 2026

Overview

LedDriver is an open-source printed circuit board by UserHackable, from the UserHackable/LedDriver repository on GitHub. It is a 2-layer board of 45.7 × 12.7 mm with 9 parts on 5 nets, routed with 24 tracks and 0 vias.

Its parts include 4 diodes and 1 resistor.

README

README.md

LedDriver

Board dimensions

(180000, 50000) original units
(1.8000, 0.5000) inches
(45.7200, 12.7000) mm

Front	Back

Parts

Qty	Footprint	References
4	LED5MM	LED3, LED4, LED7, LED8
1	1X03	JP1
1	dummyfp1	UNK_HOLE_1
1	AXIAL-0.3	R2
1	TO-92-AMMO	UNK2N3904
1	dummyfp0	UNK_HOLE_0

Questions

How big is the LedDriver PCB?

It measures 45.7 × 12.7 mm and has 2 copper layers, 1.6 mm thick.

What parts does the LedDriver use?

9 parts. 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 LedDriver KiCad files?

From the UserHackable/LedDriver repository on GitHub, at the commit this page was made from: the board is KiCad/LedDriver/LedDriver.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the LedDriver design in my own project?

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

Project files

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/userhackable-leddriver" title="LedDriver in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/boards/userhackable-leddriver.jpg" alt="LedDriver" width="1200" height="900">

A picture that opens the board, for a README

[![LedDriver](https://pcbkit.io/embed/boards/userhackable-leddriver.jpg?size=s)](https://pcbkit.io/boards/userhackable-leddriver)

Source

Repository: UserHackable/LedDriver
Board file: KiCad/LedDriver/LedDriver.kicad_pcb
Commit: 9f484f0
Licence: Not stated

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