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DECT: 4765 Chaosvermittlung: Mainframe

Description This is the Assembly of Oldenburg's Hackspace AKA Mainframe and the related local Chaostreff (
Members Domse, Eike, Gap, Holger, Hurr1k4ne, Keroth, Manulicious, MarvinGS, Olt, Sibbo, Sre, Tata, Ulf
Projects create project
There Is No Game Tinglogo.png
Self-organized Sessions Getting started with ESP8266 and IoT
Tags hackspace, hackerspace, oldenburg, ccc-ol, fablab, chaostreff
Registered on 22 November 2016 21:48:58
Location for self-organized sessions maybe
Self-organized session notes List:
  • Build your own MQTT based temperature monitoring of your fridge (or lasercutter). We plan to do 4 sessions with 6 people each.
  • We also plan to bring an embroidery machine. Details will follow...
Other assemblies by tags...
Note: The location on the map does not represent a reservation of a location and might not represent the actual place, where a assembly can be found. The place can be changed within the form of the assembly by anyone. It will be updated by the assembly itself on day 0 or day 1 as soon as the actual location is known.
Orga contact
Brings * 1x Sound Level Display (selfbuilt with teensy, calibrated)
  • 1x JoSeb 3D-Printer + material
  • 1x LED matrix marquee (1.42m x 42cm)
  • 1x LED wall (2.40m x 1.60m)
* With Multiplayer-Snake!
* User Content (via MQTT?)
  • 2x "Feldtelefon" with MQTT support
  • 2x Rollup
  • 1x Switch, network cables
  • 1x Desktop PCB mill (selfbuilt)
  • Soldering irons
  • Embroidery machine
  • A couple of power strips
  • Wordclock, RGB-Cube, ...
Projects * MQTT for LED wall
  • MQTT support for "Feldtelefon"
  • Prototype PCB milling
  • Laser - Pong mit RoboterArm
  • ...
Uses money yes we handle money
Plays TING yes
Plays TING skills {{{Plays ting skills}}}
Character of assembly place to show and meet
Seats needed 20
Extra seats 2
Assembly specification loud place ok, want sit in background, want sit public, want low light
Planning notes * We __don't__ want to sit next to the "build your own ring" people please :)
* Place for our big LED wall
past congress review * Number of seats was about right
  • The walls are useful for the big LED wall
  • We want the same location if possible (see map)


Mainframe is Oldenburg's hackspace. Oldenburg is a 180k inhabitants city in the north-west corner of Germany. Our hackspace has grown quite large (~100 members, ~600m²) and now offers a well equipped fab lab, an electronics lab, a lounge and much more (just ask us). In our Mainframe Assembly we would like to (re)present our hackspace, show a few projects that we are working on. The assembly is also used to represent Oldenburg's Chaostreff ( and Freifunk community (

We plan to host a session to build your own MQTT based temperature monitoring of fridges/lasercutter/.... You can get the required parts from us.