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Siphon-based static fluidic logic

A fluidic logic system in which siphons are the basic functional elements. It doesn't require continuous flows of liquid - hence static.

will.stevenswill.stevens
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ongoing project

This project was created on 08/26/2016 and last updated 6 years ago.

Description

I made this a few years ago and keep meaning to get back to it and make some more complex circuits, but haven't gotten around to it. The principle behind it is that a siphon behaves like a toggle flip-flop - put in one unit volume and it becomes half full, put in another unit volume and it overflows and becomes empty again. A system with this behaviour can be configured to behave like an AND gate or an OR gate depending on its initial state. Initially empty it behaves like an AND gate. Initially half full it behaves like an OR gate. With an AND and OR gate you can implement any logic function by using a dual-rail representation for Boolean values. It turns out that dual rail circuits made from siphons have a resetability property, where after evaluating a function they can be returned to the initial state by applying the inverse of all of the inputs.

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  • Video explaining how the logic system works

    will.stevens • 08/26/2016 at 05:43 • 0 comments

    Here is a video of a 4-bit integer square root circuit:

    Here are links to OpenSCAD files for this circuit:

    http://www.srm.org.uk/downloads/fluidic_logic/siphon.scad

    http://www.srm.org.uk/downloads/fluidic_logic/siphontubes.scad

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alice crush wrote 01/13/2021 at 04:41 • point

cool but i need more description please

  Are you sure? yes | no

Yann Guidon / YGDES wrote 04/15/2017 at 10:35 • point

awesome :-D

  Are you sure? yes | no

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