# Euclidean Tides
([Eucliean rhythms](http://cgm.cs.mcgill.ca/~godfried/publications/banff.pdf) on the [EMFcamp 2022](https://www.emfcamp.org)

[Tidal Badge](https://badge.emfcamp.org/wiki/Main_Page#EMF2022_-_TiDAL))

```
Here's looking at Euclid
Celebrate years
Here's looking at Euclid
Wipe away tears
Long time since we're together
Now I hope it's forever
```
-Roxy Music, "2HB", *probably*.

If you connect the GPIO pins of your badge to the supplied header, and thence
to TRS sockets, you get two pairs of Euclidean rhythms.

If you don't, you just get a [blinkenlicht](https://en.wikipedia.org/wiki/Blinkenlights).

![breadboard with breakout board and TRS sockets](https://raw.githubusercontent.com/augeas/Euclidean-Tides/master/breadboard.jpeg)

A set of three integers produces two rhythms for each TRS socket, select the
parameter with joystick left/right and alter them with joystick up/down.
Stop and start the sequence with joystick centre.

It can look and sound a little like [this](https://youtube.com/shorts/7YMC9SvbRik?feature=share).
Behold, the [code](https://github.com/augeas/Euclidean-Tides) and my [SoundCloud](https://soundcloud.com/giles-richard-greenway).

On Sunday, I guerilla noise-bombed an abandoned container in Null-Sector:

<iframe width="560" height="315" src="https://www.youtube.com/embed/_lC6coXAxRI" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

Previous "Aggrorhythmic Composition":
* [Oblique Strategies Against Humanity](https://www.youtube.com/watch?v=b03P4eaeUzE) (EMF 2016)
* [(In)discrete Music](https://www.youtube.com/watch?v=8LaoaS3PIfM) (SHA 2017)
* [Never Mind the Molluscs](https://www.youtube.com/watch?v=uarPC7r0360) (EMF 2018)