Add additional guidance on open source hardware
Provide further guidance on open source, including open source hardware.
Open Source Hardware is hardware for which the open source hardware designs are made available to the users in the preferred human readable format for use, study, re-use, modification, enhancement, and re-distribution by the users. Open Source applies to hardware, which may include schematics, 3-D drawings, Hardware Description Language code, thermal specification, Radio Frequency shielding, documentation, and other digital objects.