Simple push button and toggle switch debounce library for Arduino and ESP8266 that reports number of clicks and length

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The main features of the DebounceEvent library are:

  • Supports push buttons and toggle switches
  • Reports # of clicks and length (in millis) of the last click
  • Allows to define internal pull-ups
  • Isolation between buttons
  • Create modular code using callbacks


See examples.


Copyright (C) 2015-2018 by Xose Pérez <xose dot perez at gmail dot com>

The DebounceEvent library is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

The DebounceEvent library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with the DebounceEvent library. If not, see