Once connected to the onewire bus, the GPIO pins can be used for either input or output. The following pages will show you how to control these pins via the onwire library. We will also show you how to connect things to the open drain outputs of the GPIO pins.

This guide was first published on Mar 28, 2014. It was last updated on Jun 07, 2024.

This page (Use it!) was last updated on Feb 23, 2014.

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