http://www.raspberryvi.org/enContents © 2021-02-27 09:57 <a href="mailto:mike@raspberryvi.org">Mike Ray</a> <a rel="license"> <p>Unless otherwise stated all content released under the <a href="http://creativecommons.org/licenses/by-nc-sa/4.0/"> <img alt="Creative Commons License BY-NC-SA" style="border-width:0; margin-bottom:0px;" src="http://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png"> </a> </p> Sat, 27 Feb 2021 09:57:27 GMTNikola (getnikola.com)http://blogs.law.harvard.edu/tech/rsshttp://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.htmlMike Ray<div><h3 class="no_toc" id="table-of-contents">Table of Contents</h3> <ul id="markdown-toc"> <li><a href="http://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.html#introduction" id="markdown-toc-introduction">Introduction</a></li> <li><a href="http://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.html#logic-levels-and-gpio-pin-states" id="markdown-toc-logic-levels-and-gpio-pin-states">Logic Levels and GPIO Pin States</a></li> <li><a href="http://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.html#a-potential-divider" id="markdown-toc-a-potential-divider">A Potential Divider</a></li> <li><a href="http://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.html#resistor-and-button-as-potential-divider" id="markdown-toc-resistor-and-button-as-potential-divider">Resistor and Button as Potential Divider</a></li> <li><a href="http://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.html#the-circuit" id="markdown-toc-the-circuit">The circuit</a></li> <li><a href="http://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.html#short-circuit" id="markdown-toc-short-circuit">Short Circuit</a></li> <li><a href="http://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.html#limiting-current-flow" id="markdown-toc-limiting-current-flow">Limiting Current Flow</a></li> <li><a href="http://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.html#the-whole-circuit" id="markdown-toc-the-whole-circuit">The whole circuit</a></li> <li><a href="http://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.html#pull-down" id="markdown-toc-pull-down">Pull-down</a></li> <li><a href="http://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.html#switch-contact-bounce" id="markdown-toc-switch-contact-bounce">Switch Contact Bounce</a></li> <li><a href="http://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.html#internal-pull-up-and-pull-down-resistors" id="markdown-toc-internal-pull-up-and-pull-down-resistors">Internal pull-up and pull-down Resistors</a></li> <li><a href="http://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.html#edge-triggering" id="markdown-toc-edge-triggering">Edge-triggering</a></li> </ul> <p><a href="http://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.html">Read more…</a> (7 min remaining to read)</p></div>electronicsGPIORaspberry Pihttp://www.raspberryvi.org/posts/pull-up-and-pull-down-resistors.htmlThu, 25 Feb 2021 12:53:21 GMT