JavaScript and Internet Controlled Electronics
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This document discusses using JavaScript and the internet to control electronics. It introduces several hardware platforms like Arduino and Raspberry Pi that allow connecting electronics to computers. It then explains how JavaScript and Node.js can be used with these platforms through libraries like Johnny-Five and Firmata to control devices from code. Examples are given of using JavaScript to control an LED light and servo motor connected to an Arduino microcontroller board.
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JavaScript and Internet Controlled Electronics
- 1. JavaScript & Internet Controlled Electronics Jonathan LeBlanc (@jcleblanc) Head of Global Developer Evangelism at PayPal
- 4. Arduino / Raspberry Pi / Leap Motion / etc. Hardware Toolbox Rasperry Pi Arduino
- 9. Web Service Access with Temboo Python 2.7 included with OpenWRT Linino Integrated Wifi / Ethernet Arduino Yún Feature Set
- 11. Fetching the Arduino IDE http://arduino.cc/en/main/software
- 12. Enabling the Board in the IDE
- 13. Picking the Comms Port
- 18. Standard Firmata How Johnny 5 Comms Work Arduino Microcontroller Node.js Script
- 19. What is Standard Firmata?
- 20. Priming the Board with Firmata
- 21. npm install johnny-five Installing Johnny 5
- 22. var five = require("johnny-five"), board = new five.Board(); board.on("ready", function() { //board is ready to use }); Enabling the Board
- 23. board.on("ready", function() { (new five.Led(13)).strobe(3000); }); Controlling an LED Light
- 24. board.on("ready", function() { servo = new five.Servo(10); servo.to( 90 ); this.wait(1000, function() { servo.sweep(); }); }); Controlling a Servo Motor
- 26. Where are we Heading?
- 27. Thank You! http://ppd.io/js-electronics Jonathan LeBlanc (@jcleblanc) Head of Global Developer Evangelism at PayPal
Notes de l'éditeur
- 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)