A method of communicating with one or more devices over a bus system using only data and ground connections. It is designed for small devices which do not require high data speeds or large amounts of power.

There is no tag wiki for this tag … yet!

Tag wikis help introduce newcomers to the tag. They contain an overview of the topic defined by the tag, along with guidelines on its usage.

All registered users may propose new tag wikis.

(Note that if you have less than 4000 reputation, your tag wiki will be peer reviewed before it is published.)