keypad-analog-vkey.md

Keypad - VKEY

Breadboard for "Keypad - VKEY"

 

Run this example from the command line with:

node eg/keypad-analog-vkey.js

var argv = require("minimist")(process.argv.slice(2), {
  default: {
    show: 1
  }
});
var five = require("johnny-five");
var board = new five.Board();

board.on("ready", function() {
  // Sparkfun's VKey Voltage Keypad
  var keypad;

  if (argv.show === 1) {
    keypad = new five.Keypad({
      controller: "VKEY",
      pin: "A0",
    });
  }

  if (argv.show === 2) {
    keypad = new five.Keypad({
      controller: "VKEY",
      pin: "A0",
      keys: [
        ["!", "@", "#"],
        ["$", "%", "^"],
        ["&", "-", "+"],
        ["<", ">", "?"],
      ]
    });
  }

  if (argv.show === 3) {
    keypad = new five.Keypad({
      controller: "VKEY",
      pin: "A0",
      keys: ["!", "@", "#", "$", "%", "^", "&", "-", "+", "<", ">", "?"]
    });
  }

  ["change", "press", "hold", "release"].forEach(function(eventType) {
    keypad.on(eventType, function(event) {
      console.log("Event: %s, Target: %s", eventType, event.which);
    });
  });
});

 

License

Copyright (c) 2012-2014 Rick Waldron [email protected] Licensed under the MIT license. Copyright (c) 2015-2023 The Johnny-Five Contributors Licensed under the MIT license.