The CERN Open Hardware Licence (OHL or CERN OHL) is a license used in open-source hardware projects. It was created by CERN, which published version 1.0 in March 2011. Version 1.1 was published in July 2011. Version 1.2 was published in September 2013. Version 2.0, which utilizes a simplified language and covers also integrated circuit designs, was published in March 2020.

Wording

Contrary to most of license names, the CERN OHL uses the

British English British English (BrE, en-GB, or BE) is, according to Lexico, Oxford Dictionaries, "English language, English as used in Great Britain, as distinct from that used elsewhere". More narrowly, it can refer specifically to the English language in ...

spelling ''licence'' rather than the

American English American English, sometimes called United States English or U.S. English, is the set of varieties of the English language native to the United States. English is the most widely spoken language in the United States and in most circumstances i ...

spelling ''license'' which contains an "s".

Projects using the CERN OHL

On the CERN OHL website they have a list of projects using their license. These projects include:
Most projects in the Open Hardware Repository OHR
* AXIOM –

digital cinema camera A digital movie camera for digital cinematography is a video camera that captures footage digitally rather than the historically used movie camera, which shoots on film stock. Different digital movie cameras output a variety of different acquisit ...

Gizmo For You Ltd

Mechanical Ventilator Milano
Rapid production ventilator design as an answer to COVID-19 shortage
The Monero Hardware Wallet
The first (licensed schematic and layout) Monero hardware wallet * Mycroft Mark I – smart speaker with open-source digital assistant (design files availabl
here
* ScopeFun open source oscilloscope
SimpleMachines
* SatNOGS-the open satellite ground station network * The synchrotron instrumentatio
PandAbox
which chorographs experiments at particle accelerator and other facilities * Tinkerforge Bricks and Bricklets * The

tristimulus colorimeter A tristimulus colorimeter, colloquially shortened to ''colorimeter'', is used in digital imaging to profile and calibrate output devices. It takes a limited number of wideband spectral energy readings along the visible spectrum by using filtered ...

br>Colorhug2
uses version 1.1 of this license. * UPSat-the first open hardware satellite 1 * A Free Beer variation, brewed for the RMLL 2012 and recipe placed under the CERN OHL 1.1
OpenScout
an open source hardware mobile robot

Reception

The CERN OHL is an accepted free content license according to the Free Cultural Works definition and version 2 is approved by the

Open Source Initiative The Open Source Initiative (OSI) is the steward of the Open Source Definition, the set of rules that define open source software. It is a California public-benefit nonprofit corporation,_with_501(c)(3).html" ;"title="110. - 6910./ref> is a type o ...

References

External links

CERN Open Hardware Licence
{{CERN Open hardware licenses CERN

Wording

Projects using the CERN OHL

Reception

See also

References

External links