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= Frequently Asked Questions about Open Source Hardware = | = Frequently-Asked Questions about Open-Source Hardware = | ||
=== What is open source hardware? === | === What is open-source hardware? === | ||
Our [[OSHW | statement of principles]] puts it like this: "Open source hardware is hardware whose design is made publicly available so that anyone can study, modify, distribute, make, and sell the design or hardware based on that design. The hardware's source, the design from which it is made, is available in the preferred format for making modifications to it." | Our [[OSHW | statement of principles]] puts it like this: "Open source hardware is hardware whose design is made publicly available so that anyone can study, modify, distribute, make, and sell the design or hardware based on that design. The hardware's source, the design from which it is made, is available in the preferred format for making modifications to it." | ||
Open source hardware is also a growing community of companies, individuals, and groups designing and making lots of cool stuff! Some well-known examples include [http://www.arduino.cc/ Arduino] (an microcontroller development platform), [http://www.chumby.com/ Chumby] (a wifi device), [http://www.makerbot.com/ MakerBot] (a 3D printer) but see [[ | Open-source hardware is also a growing community of companies, individuals, and groups designing and making lots of cool stuff! Some well-known examples include [http://www.arduino.cc/ Arduino] (an microcontroller development platform), [http://www.chumby.com/ Chumby] (a wifi device), [http://www.makerbot.com/ MakerBot] (a 3D printer) but see [[ | this question]] for more. Open-source hardware developers gather at events like the [http://www.openhardwaresummit.org/ Open Hardware Summit] and on online forums like the [http://lists.openhardwaresummit.org/listinfo.cgi/updates-openhardwaresummit.org updates@openhardwaresummit.org mailing list]. They've ... | ||
We think open source hardware is a great way to share knowledge and facilitate development of new products. We hope this FAQ helps you understand what it's all about and whether it makes sense for you. | We think open-source hardware is a great way to share knowledge and facilitate development of new products. We hope this FAQ helps you understand what it's all about and whether it makes sense for you. | ||
=== Why make hardware open source? === | === Why make hardware open-source? === | ||
=== What files should I share? === | |||
You should share all the files needed to build *and* modify your hardware. | |||
For mechanical stuff, this means CAD drawings, IGES files, or STL files. For electronic projects, this means the schematics and circuit board layouts. With circuit boards, it's better to share the original files rather than Gerber files. (Gerber files are an intermediate format needed for manufacturing, but they're difficult to modify.) | |||
=== What are other best practices for open-source hardware? === | |||
=== What are other best practices for open source hardware? === | |||
=== Won't people rip me off? === | === Won't people rip me off? === | ||
People will rip you off in the sense that they will use your designs as the basis for more advanced designs. If you don't want that to happen, you should probably not call your hardware "open source." | |||
Those of us who do build open source hardware want people to build on our designs, or at least think the benefits of the situation are worth the competition. | |||
=== Why aren't non-commercial restrictions compatible with open source hardware? === | === Why aren't non-commercial restrictions compatible with open-source hardware? === | ||
There are a few reasons. | There are a few reasons. | ||
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In particular, because making hardware invariably involves money, it's very difficult to make use of a hardware design without involving some commercial activity. For example, say a group of friends wanted to get together and order ten copies of a hardware design - something that's often much cheaper than each person ordering their own copy. If one person places the order and the others pay him back for their share, they'd probably be violating a non-commercial restriction. Or say someone wants to charge people to take a workshop in which they make and keep a copy of your hardware design - that's also commercial activity. In general, there are just very few ways for someone to use a hardware design without involving some sort of commercial activity. | In particular, because making hardware invariably involves money, it's very difficult to make use of a hardware design without involving some commercial activity. For example, say a group of friends wanted to get together and order ten copies of a hardware design - something that's often much cheaper than each person ordering their own copy. If one person places the order and the others pay him back for their share, they'd probably be violating a non-commercial restriction. Or say someone wants to charge people to take a workshop in which they make and keep a copy of your hardware design - that's also commercial activity. In general, there are just very few ways for someone to use a hardware design without involving some sort of commercial activity. | ||
=== Who makes open-source hardware? === | |||
=== Who makes open source hardware? === | |||
=== How to ensure that all modifications to my projects are put back into open-source? === |