JavaScript and Internet Controlled Electronics
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JavaScript and Internet Controlled Electronics

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The audio from this talk is available at https://archive.org/details/js_electronics ...

The audio from this talk is available at https://archive.org/details/js_electronics

The electronics maker movement has led a massive shift in how people are re-engineering the world around them through rapid hardware prototyping. With the rise of inexpensive, wifi and bluetooth low energy enabled electronics, this hardware revolution is internet and mobile controlled, all through simple bridges to build the electronics intelligence in familiar web languages.
In this session, we will play with Arduino microcontrollers and JavaScript to take a first dive into the world of internet controlled electronics, exploring:
- Setting up an Arduino to be controlled through web APIs
- Using JavaScript language bridges on the Arduino
- The future of web controlled hardware prototyping

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  • Internet Controller Hardware – Arduino Yun, etc.Extending to other languages, Tessel = JavaScript, Node.js through Johnny 5
  • Arduino Yun
  • Yun feature sets (temboo / wifi / etc)Based on the Leonardo boardPython 2.7 included with OpenWRT Linux distribution called Linino on the board
  • Program an arduino without writing any code.Sketch Builder (https://temboo.com/library/Library/devices/)
  • Picking the right version of the arduino softwarehttp://arduino.cc/en/main/software
  • Picking the right version of the arduino softwarehttp://arduino.cc/en/main/software
  • Picking the right version of the arduino softwarehttp://arduino.cc/en/main/software
  • The modularity and extensibility of the Devices sets them apart from just usingThe hardware components of a phone, etc
  • Alternate framework: Noduino (http://semu.github.io/noduino/) – accessing arduino from web applications (HTML5 / JS / Node)
  • How Johnny 5 works – standard firmata uploaded to the microcontroller, then Node.js script controlled.
  • http://arduino.cc/en/reference/firmata
  • Upload the firmata program to the board
  • Crap that was hard…
  • servo.min(); //set to min degrees (default 0)servo.max(); //set to max degrees (default 180)servo.center(); //center servo to 90 degrees
  • Alternate framework: Noduino (http://semu.github.io/noduino/) – accessing arduino from web applications (HTML5 / JS / Node)Download NoduinoUploadDuino to board (the communications bridge)

JavaScript and Internet Controlled Electronics JavaScript and Internet Controlled Electronics Presentation Transcript

  • JavaScript & Internet Controlled Electronics Jonathan LeBlanc (@jcleblanc) Head of Global Developer Evangelism at PayPal
  • Early Hardware Days
  • Mainstreaming Effect
  • Arduino / Raspberry Pi / Leap Motion / etc. Hardware Toolbox Rasperry Pi Arduino
  • Internet Meets Arduino
  • Arduino Yún http://arduino.cc/en/Main/ArduinoYUN
  • Web Service Access with Temboo Python 2.7 included with OpenWRT Linino Integrated Wifi / Ethernet Arduino Yún Feature Set
  • Temboo Sketch Builder http://arduino.cc/en/main/software
  • Fetching the Arduino IDE http://arduino.cc/en/main/software
  • Enabling the Board in the IDE
  • Picking the Comms Port
  • JavaScript, Node & Arduino
  • Tessel JavaScript Microcontroller https://tessel.io/
  • Johnny 5 https://github.com/rwaldron/johnny-five
  • Standard Firmata How Johnny 5 Comms Work Arduino Microcontroller Node.js Script
  • What is Standard Firmata?
  • Priming the Board with Firmata
  • npm install johnny-five Installing Johnny 5
  • var five = require("johnny-five"), board = new five.Board(); board.on("ready", function() { //board is ready to use }); Enabling the Board
  • board.on("ready", function() { (new five.Led(13)).strobe(3000); }); Controlling an LED Light
  • board.on("ready", function() { servo = new five.Servo(10); servo.to( 90 ); this.wait(1000, function() { servo.sweep(); }); }); Controlling a Servo Motor
  • Noduino http://semu.github.io/noduino/
  • Where are we Heading?
  • Thank You! http://ppd.io/js-electronics Jonathan LeBlanc (@jcleblanc) Head of Global Developer Evangelism at PayPal