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I recently became to wonder- how are hardware standards such as the USB,SD card,PCI-E made and what would it take to make my own?

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closed as too broad by Nick Alexeev, Leon Heller, Olin Lathrop, helloworld922, JYelton Jul 1 '13 at 18:07

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

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    \$\begingroup\$ Part 1: 0.5mm HB mechanical pencil. Part 2: coffee or cannabis (depending how good you are at systems engineering). Part 3: mallet to keep stakeholders in their place. [Sorry, I couldn't resist.] \$\endgroup\$ – Nick Alexeev Jul 1 '13 at 14:54
  • \$\begingroup\$ There is so much involved, you probably don't wanna know ;) \$\endgroup\$ – Rev1.0 Jul 1 '13 at 14:54
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    \$\begingroup\$ Anyone can define a standard. Getting other people to follow it is the tricky part. \$\endgroup\$ – Olin Lathrop Jul 1 '13 at 15:17
  • \$\begingroup\$ Generally, conventions designed by individuals are unlikely to become standards unless they perform some task for which demand is high but no common implementations exist. It's generally not useful to try to create an industry-wide standard for things. On the other hand, development of in-house standards can be useful, and there are some important things one should do to maximize their usefulness. If you're interested in how to develop effective in-house standards for something, you should clarify your question. \$\endgroup\$ – supercat Jul 1 '13 at 16:30
  • \$\begingroup\$ And what happens to "standards" that fail to gain (as much) acceptance? They're history. HD-DVD, Betamax, Mini USB... \$\endgroup\$ – JYelton Jul 1 '13 at 18:15
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Anyone can make a standard. Here's one I just made up:

Connections are made by pins compatible with Lego bricks. A binary "1" is signaled by alternating between 10 mA and 5 mA at intervals of 1 s, while a binary "0" is signaled by a 100 kV pulse.

comic from XKCD

If you want your standard to be adopted, you need to persuade a lot of other people to use it. Usually this is done by major manufacturers, who decide to work with other major manufacturers to make their products interoperable, with the goal of making their products more appealing to consumers, or at least controlling the market, driving competitors out of business, thus making their products relatively more appealing.

There are various standards organizations that facilitate this process: ANSI, IEEE, ISO, IETF, W3C...the list goes on. Each has some authority in differing domains, some compete, some work for profit, some are non-profit. Some require membership while others are open. Some publish their standards publicly, some require membership to view.

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    \$\begingroup\$ Is there enough clearance and creepage between the Lego brick pins for 100kV? We must harmonize this new standard with IEC and UL. \$\endgroup\$ – Nick Alexeev Jul 1 '13 at 15:02
  • \$\begingroup\$ s/ITEF/IETF/; s/ASCI/ANSI/; :-) \$\endgroup\$ – RedGrittyBrick Jul 1 '13 at 16:13

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