johnny-five/eg/lcd-PCF8574AT.js

The JavaScript Robotics and Hardware Programming Framework. Use with: Arduino (all models), Electric Imp, Beagle Bone, Intel Galileo & Edison, Linino One, Pinoccio, Raspberry Pi, Spark Core, TI Launchpad and more!

var five = require("../");
var board = new five.Board();

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

  var l = new five.LCD({
    controller: "PCF8574AT"
  });

  l.useChar("heart");
  l.cursor(0, 0).print("hello :heart:");
  l.blink();
  l.cursor(1, 0).print("Blinking? ");
});