Open Hardware Observatory
From OHO - search engine for sustainable open hardware projects
About Open Hardware Observatory OHO e.V.
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Blueprints for Sustainable Technologies
In the last months OHO in cooperation with different organizations has created blueprints of more than 100 projects and published them on www.oho.wiki, on YouTube and on Wikipedia:
Carla Cargo Crowd
Carla Cargo allows you to transport heavy loads quickly, environmentally friendly and without sitting in traffic. It can be combined with any regular bicycle or...
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Horizontal Shaft Turbine With Security Tail
Reference: https://www.youtube.com/watch?v=3ISx_n-zkFo
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Parabolic Solar Cooker with Aluminium Reflector
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Savonius Rotor of 1m Diameter
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Small water turbine
This project shows the construction plans for a small 5 kW water turbine based on the research of Dr. Mohammad Durali at MIT. According to the original developm...
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: COHL12
Solar Food Dryer for Vegetables
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Manufacturing Projects
OHO participates in the development of Own Manufacturing projects, which include construction and tuning, guaranteeing the quality of the resulting device:
Angle grinder stand
Manufacturing project
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Bar bender for thickness from 5 to 15 mm
Manufacturing project
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Bench vice with 150mm jaw
Manufacturing project
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Compact trailer for bicycle
Manufacturing project
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Manual shearing machine for 3mm plate
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYNCSA40
Stand for manual drill
Manufacturing project
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Trailer for bicycle based on Carla Cargo design
Manufacturing project
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Vice for drill press
Manufacturing project
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Open Hardware and development cooperation
The use of open hardware in technical development cooperation offers great potential for cost-effective solutions to improve the living situation in the Global South and as an innovative alternative for technology transfer. This potential is so far almost not exploited, OHO would like to contribute to change this:
Concrete Block Making Machine - capacity 100 pieces per hour
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: CCBYSA40
Hammer Mill for Corn Processing
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Homemade Concrete Mixer – 250 Watts
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Peeling Machine for Sunflower Seeds
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Power Thresher for Rice and Wheat
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Wood Turning Lathe
Drawings and 3d models to build a woodworking lathe with 1500 mm bed Project published under CC-BY-SA 4.0 license
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Open Science
OHO is involved in several research projects at the Technical University of Berlin, which aim to publish results from science and research as freely accessible knowledge:
Arduino module with programmable camera
The OpenMV project is about creating low-cost, extensible, Python powered, machine vision modules and aims at becoming the “Arduino of Machine Vision“ The OpenM...
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: MITL
Assisted breathing with pressure-controlled system
The People’s Ventilator Project (PVP) is an open-source, low-cost pressure-control ventilator designed for minimal reliance on specialized medical parts to bett...
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: GNUGPL3
Cosi measure new
COSI Measure is an open source multipurpose 3-axis robot operating in a large volume, that can be equipped with e.g. field mapping probes for static or dynamic...
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: COHL12
FarmBot intelligent irrigation system
Irrigation system controlled by Arduino technology, with programmable interface and crop customization.
Contains PDF Blueprints: No
Contains CAD Files: No
License: CCU
Optomechanic Microscope OpenFlexure
The OpenFlexure Microscope is a customisable, open-source optical microscope, using either very cheap webcam optics or lab quality, RMS threaded microscope obje...
Contains PDF Blueprints: No
Contains CAD Files: Yes
License: COHL12
Photovoltaic Panel reusable
Crystalline silicon solar panel that can be built, maintained and refurbished locally, leading to a lower levelized cost of electricity and higher sustainabilit...
Contains PDF Blueprints: No
Contains CAD Files: No
License: COHL
Syringe pump with G-code programming
A syringe pump was designed using freely available open-source computer aided design (CAD) software and manufactured using an open-source RepRap 3-D printer and...
Contains PDF Blueprints: No
Contains CAD Files: No
License: COHL
University of Oxford/King's College Ventilator to address Covid-19 demand - Video
Engineers and medics at Wadham College, University of Oxford, working with King’s College London, have developed a prototype for a rapidly deployable ventilator...
Contains PDF Blueprints: No
Contains CAD Files: No
License: unknown
OHO-Search-Engine
An important obstacle for the spread of Open Hardware is that many good projects are unknown or difficult to find on the web. For this reason OHO has developed the most comprehensive search engine for do-it-yourself and open hardware projects to date:
Partner
OHO would like to help the many individual open hardware projects to network more closely, use common standards and thus achieve a higher social and economic relevance. For this purpose we cooperate with different organizations:
