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Button

Breadboard for "Button"

docs/breadboard/button.png

Fritzing diagram: docs/breadboard/button.fzz

 

Run this example from the command line with:

node eg/button.js
var five = require("johnny-five"),
  board, button;

board = new five.Board();

board.on("ready", function() {

  // Create a new `button` hardware instance.
  // This example allows the button module to
  // create a completely default instance
  button = new five.Button(2);

  // Inject the `button` hardware into
  // the Repl instance's context;
  // allows direct command line access
  board.repl.inject({
    button: button
  });

  // Button Event API

  // "down" the button is pressed
  button.on("down", function() {
    console.log("down");
  });

  // "hold" the button is pressed for specified time.
  //        defaults to 500ms (1/2 second)
  //        set
  button.on("hold", function() {
    console.log("hold");
  });

  // "up" the button is released
  button.on("up", function() {
    console.log("up");
  });
});

 

License

Copyright (c) 2012, 2013, 2014 Rick Waldron waldron.rick@gmail.com Licensed under the MIT license. Copyright (c) 2018 The Johnny-Five Contributors Licensed under the MIT license.