.. link: 
.. description: erdgeist is a Berlin based freelance and open source developer and political activist.
.. tags: 
.. date: 1970/01/01 01:00:00
.. title: main
.. slug: index
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erdgeist is a Berlin based freelance and open source developer and political activist. Feel free to stroll around in the public parts of his brain.

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Contact
=======

Write an email to erdgeist@erdgeist.org preferredly PGP encrypted, `the key </key.asc>`_, fingerprint: 68D0 5298 6E09 BF62 94B8 4DD0 B8DD 7017 *2A6C 30D3*. Reach me via Jabber at `<xmpp:erdgeist@erdgeist.org>`_, where my OTR fingerprint is 7A4BC16B 479D4D10 EAC30B3B B52FD269 ADF818E3.

Follow `@erdgeist <https://twitter.com/erdgeist>`_ on Twitter. Listen to the `OHM podcast <http://monoxyd.de/category/ohm>`_ with monoxyd and CCC's `monthly radio show Chaosradio <http://chaosradio.ccc.de/>`_. Look out for contributions to `Die Datenschleuder <http://ds.ccc.de/>`_ and `www.ccc.de <http://www.ccc.de/>`_, sporadically also on `Frühstücksblog <http://morgen.monoxyd.de>`_. Get `the book 1984.exe <http://www.amazon.de/1984-exe-Gesellschaftliche-politische-juristische-Überwachungstechnologien/dp/3899427661>`_.

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Software projects
=================

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    :tags: project
    :template: list_projects.tmpl
    :id: projects
    :sort: prio
    :reverse:


Unless state otherwise, the software is released under `beerware license </beerware.html>`_. Some project's documentation is not yet migrated. You can also browse around my `gitweb </gitweb>`_.

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Blog
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     :stop: 7
     :template: list_blogposts.tmpl


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Playground
==========

See the `lecture about opentracker <http://media.ccc.de/browse/congress/2007/24c3-2355-de-trecker_fahrn.html#video>`_ on 24C3 (`slides <lectures/TrackerFahrn.pdf>`_), `Wahlcomputer in Erlangen <lectures/Wahlcomputer>`_, Format String Exploits, see the interviews and TV show contributions (todo).

Skypixels are helium balloons lit by independent LED boards remote controlled by a NFR2401 controller.

GodMachine was an installation in the Dresden Museum of hygiene, allowing visitors to control the weather by gestures.

Laserharfe is a music instrument built together with friends. It converts hands moving in laser beams to MIDI signals and works on off the shelf electronics.

Some rather personal content, `songs I wrote or recorded <music>`_, some in my former band, Pumpanickle. `Poetry I wrote </poetry>`_. Recently into selecting or writing intros for podcasts `alternativlos <https://alternativlos.org/>`_, turing galaxis, `Frühstücksblog podcast <http://morgen.monoxyd.de/category/podcast/>`_, `Neusprech <http://neusprech.org/kategorie/neusprechfunk/>`_, `Fnord News Show <http://media.ccc.de/browse/congress/2014/31c3_-_6109_-_de_-_saal_1_-_201412290015_-_fnord_news_show_-_frank_-_fefe.html#video>`_ and `OHM podcast <http://monoxyd.de/category/ohm>`_.