About OHO

The Open Hardware Observatory OHO www.oho.wiki was created by the non-profit association Open Source Ecology Germany e.V. (OSEG) and the Technical University of Berlin (TU Berlin). OHO consists of a search engine and of an assessment platform. The search engine crawls Open Hardware and Do It Yourself projects in the whole WEB. It offers full text search, category search and professional search. Every user can upload his proyects on OHO. The assessment platform is based on the DIN Spec 3501, which was created by OSEG, TU Berlin and other institutions in cooperation with the German Institute for Standardization DIN e.V. Here we offer all individuals and organizations to assess their projects.

New projects to be assessed soon

 
   Bandsaw plans - Woodgears

 
   Build your own solar concentrator at home with GoSol's free do it yourself ...

 
   Design of a small water turbine for farms and small communities

 
   Do it yourself Cargo Bike Plans - BikeHacks

 
   Do it yourself agriculture drone 2
   Radiolink Fixhawk, Radiolink AT9S Sunnysky X5212 280kv , 22*7 CF prop 6s 8000*2.

 
   Do it yourself bike trailer
   I made this bicycle trailer out of scrap 1" square steel tube for the trailer body frame and bike hitch and 1 1/2" round steel tube for ...

 
   Do it yourself solar collector - Homemade solar water heater for drainback system

 
   Home made cultivator
   A cultivator fabricated from scratch. make it up as ya go style didnt get my new camera till it was ready for paint and assembly ...

 
   Homemade Band Sawmill First Version
   This is my first sawmill. I have made an improved and simplified replacement sawmill. Search "TexasBen5" to see my other video ...

 
   Homemade Spot Welding Machine with Power Control . How to Make a Spot Welder.
   Step by step tutorial how to make a Spot Welder.Handfree modePower controlUse old microwave and vacuum cleanerElectric ...

 
   Homemade drinking water filter system

 
   Homemade tractor 4x4 History of the building

 
   How to build wind power turbine generator -do it yourself plans

 
   Mother Baby Granules Extruder Plan
   Per Hour 100 to 150 Kg.

 
   Møgspreder, homemade manure spreader, Tipping trailer
   Jeg har lavet denne video med YouTubes videoredigeringsværktøj (http://www.youtube.com/editor)

 
   Photovoltaic island system self-build instructions - residential design
   Solar plant itself build here you will find our complete building instructions if one for garden and solar island plant itself build photos the really exciting...

 
   Pico-hydro Turgo Turbine - Rwanda do it yourself - Appropedia: The ...

 
   Savonius rotor self-made
   What do others do better than us? https://plus.google.com/collection/gnPHU among the fans of the Frankfurt Garden ...

 
   Sheet Metal Bead Roller Plans do it yourself Bending Roll Roller Etsy

 
   TODOPRODUCTIVITY: How to build a biogas plant ...
   Current biomethanization processes, which use materials such as cattle manure, human feces, distillery effluents, etc .; They are highly inefficient because the...

Founding Partners

Open Source Ecology Germany e.V.	Technical University Berlin TU Berlin

Cooperation Partners

Hans Sauer Stiftung The Hans Sauer Foundation is a charitable foundation which is both supportive and foundation operationally active.	Deutsches Institut für Normung DIN The German Institute for Standardization (DIN) is the independent platform for standardisation worldwide.	Wikipedia The Free Encyclopedia	OPEN!NEXT OPENNEXT seeks to empower companies and consumers to co-design and co-manufacture products
Practical Action (previously ITDG) Practical Action is an innovative international development organisation	Fraunhofer-Gesellschaft The Fraunhofer-Gesellschaft is the largest organisation for application-oriented research in Europe.	Precious Plastic We design and develop machines to recycle plastic and we tell the world how to replicate them	MEKANIKA Innovative open source tools and machines and free learning ressources.
Werkstatt Lastenrad Ist ein Projekt von anstiftung gemeinnützige Stiftung bürgerlichen Rechts	Appropedia Is the site for collaborative solutions in sustainability, poverty reduction and international development	Working Group on Development Techniques A student association at the University of Twente, which is engaged in developing technical applications for developing countries	Wikifactory Wikifactory is the fastest place on the web to get a physical product made with just a laptop and an internet connection
Open Source Hardware Association A non-profit organization that advocates for open-source hardware.