Puedo usar Javascript con Hardware?

@juliocesar_io

https://juliocesar.io

Javascript Robotics

Open Hardware
Open Source
Precios accesibles
Comunidades
Hackers, gente cool

HOY

La IOT es trendy

Numeros, blah.

Oh, V8, Nodejs

Historia, Chromium, Google, blah

Con que podemos empezar HOY?

NodeBots are robotics that are made accessible to JavaScript developers.

Johnny Five

https://github.com/rwaldron/johnny-five

var five = require('johnny-five');
var board = new five.Board();

board.on('ready', function () {
  var led = new five.Led(13);

  led.blink();
});

$ npm install johnny-five

led.js

$ [sudo] node led.js

Blink a Led

Abstractions

module.exports = {
  Accelerometer: require("./accelerometer"),
  Animation: require("./animation"),
  Board: require("./board"),
  Button: require("./button"),
  Compass: require("./compass"),
  Distance: require("./distance"),
  ESC: require("./esc"),
  Gripper: require("./gripper"),
  Gyro: require("./gyro"),
  IR: require("./ir"),
  LCD: require("./lcd"),
  Led: require("./led"),
  LedControl: require("./ledcontrol"),
  Joystick: require("./joystick"),
  Motor: require("./motor"),
  Nodebot: require("./nodebot"),
  Piezo: require("./piezo"),
  Ping: require("./ping"),
  Pir: require("./pir"),
  Relay: require("./relay"),
  Sensor: require("./sensor"),
  Servo: require("./servo"),
  ShiftRegister: require("./shiftregister"),
  Sonar: require("./sonar"),
  Stepper: require("./stepper"),
  Switch: require("./switch"),
  Wii: require("./wii")
};

Cylon

http://cylonjs.com/

Boards

and more...

Demo Time

http://voyager.readthedocs.io

Voyager's Highlevel diagram

Voyager's Arquitecture

Voyager's "Framework"

De eventos en el navegador

A bits en el hardware

Evento en el navegador

"keys": "up",
"on_keydown": function() {
    socket.emit('goForward');

Emite un socket

Inicio Jhonny Five

board = new five.Board();

board.on("ready", function() {
    // Codigo cool
});

Abre el puerto serial

Socket recibido

    socket.on('goForward', function(){
        // Turn on right motor
        that.digitalWrite(rMotorN1, 1);
        that.digitalWrite(rMotorN2, 0);
        that.analogWrite(rMotorNA, speed);
        // Turn on left motor
        that.digitalWrite(lMotorN3, 0);
        that.digitalWrite(lMotorN4, 1);
        that.analogWrite(lMotorNB, speed);
    });

Se ejecuta codigo en arduino