#+TITLE: Headphone hub
#+AUTHOR: Svjatoslav Agejenko
#+LANGUAGE: en

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* General
+ DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE
  COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE
  DESIGNS AT YOUR OWN RISK.

+ This design is released under Creative Commons Zero (CC0) license.

+ Author:
  - Svjatoslav Agejenko
  - Homepage: https://svjatoslav.eu
  - Email: [[mailto://svjatoslav@svjatoslav.eu][svjatoslav@svjatoslav.eu]]

+ See also:
  - [[../../index.html][Other physical projects in this repository]]
  - [[https://www.svjatoslav.eu/projects/][Other projects hosted at svjatoslav.eu]]

* Project description
Simple hub that allows connecting up to 4 devices via headphone
jack. For example single laptop or mp3 player can power up to 3
headphones.

[[file:make.png]]

Schematic diagram:
[[file:schematic.png]]

Warning: All devices are connected in parallel. Make sure that audio
producing device can handle combined load. See:
https://en.wikipedia.org/wiki/Series_and_parallel_circuits#Resistance_units_2

[[file:make,%202.png]]

Device consists of body and cover that are held together by single
screw at the center:

[[file:cover,%202.png]]

* Download

- [[file:hub.FCStd][FreeCAD project]]


Body [[file:body.stl][STL file]]
[[file:body.png]]



-----
Cover [[file:cover.stl][STL file]]

[[file:cover.png]]