Touchpad - MPR121QR2_SHIELD

Breadboard for "Touchpad - MPR121QR2_SHIELD"

Fritzing diagram: keypad-MPR121QR2_SHIELD.fzz

 

Run this example from the command line with:

node eg/keypad-MPR121QR2_SHIELD.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() {
  // MPR121QR2 3x3 Capacitive Touch Shield
  var touchpad;

  if (argv.show === 1) {
    touchpad = new five.Touchpad({
      controller: "MPR121QR2_SHIELD"
    });
  }

  if (argv.show === 2) {
    touchpad = new five.Touchpad({
      controller: "MPR121QR2_SHIELD",
      keys: [
        ["!", "@", "#"],
        ["$", "%", "^"],
        ["&", "-", "+"],
      ]
    });
  }

  if (argv.show === 3) {
    touchpad = new five.Touchpad({
      controller: "MPR121QR2_SHIELD",
      keys: ["!", "@", "#", "$", "%", "^", "&", "-", "+"]
    });
  }

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

 

Component Classes in this example: