https://diode.zone/videos/watch/5197a522-458c-4151-97e5-25395dfa482d Learn the basics of GPIO input and output with an ESP8266 NodeMCU microcontroller. This video goes over outputting to an LED, getting input from a button, and why a pull-up resistor is necessary. Article: https://micronote.tech/2020/01/Basic-GPIO-Input-and-Output-with-a-NodeMCU-and-MicroPython/ LED Code: https://gist.github.com/cdsupina/8aa82d020f134f82341f5554b29d13dd Button Code: https://gist.github.com/cdsupina/46a2cded6aeb967a31918bcfa3c45009 Button with Pull-up Resistor Code: https://gist.github.com/cdsupina/44a328ee69ea831dcd6c482c5d90ef95 Social: Follow Micronote (Twitter): https://twitter.com/micro_note Follow Micronote (Mastodon): https://qoto.org/@micro_note Follow Micronote (YouTube): https://www.youtube.com/channel/UC6cKxhWxtWCgKy9_-T8xJAg Follow me: https://twitter.com/carlosupina Tue, 20 Oct 2026 16:48:51 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://diode.zone https://diode.zone/lazy-static/avatars/61b689b7-84d5-43c7-9fa8-e63a7fd1d952.png https://diode.zone/videos/watch/5197a522-458c-4151-97e5-25395dfa482d All rights reserved, unless otherwise specified in the terms specified at https://diode.zone/about and potential licenses granted by each content's rightholder.