Droids, java script and web connected hardware
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The document discusses the integration of JavaScript into robotics through the Nodebots stack, focusing on the use of the Johnny-Five library, which simplifies hardware interactions. It highlights the advantages of using JavaScript for robotics, such as flexibility and dynamic event handling, and provides a brief overview of hardware components and installation processes. Additionally, it includes examples of projects and applications that illustrate the practical use of JavaScript in robotic systems.
![HARDWARE HELLO WORLD
var five = require("johnny-five");
if (process.argv[2] == null) {
console.log("You need to supply a device to connect to");
process.exit()
}
var board = five.Board({port: process.argv[2]});
board.on("ready", function() {
var led = new five.Led(10);
led.blink(500);
});](https://image.slidesharecdn.com/droidsjavascriptandwebconnectedhardware-150726132342-lva1-app6891/85/Droids-java-script-and-web-connected-hardware-28-320.jpg)
![WEB PAGE LED
var five = require("johnny-five");
if (process.argv[2] == null) {
console.log("Please supply a device to connect to");
process.exit();
}
// web server elements
var express = require('express');
var app = express();
var http = require('http');
var server = http.createServer(app);
var board;
//
//
// Set up the application server
//](https://image.slidesharecdn.com/droidsjavascriptandwebconnectedhardware-150726132342-lva1-app6891/85/Droids-java-script-and-web-connected-hardware-30-320.jpg)
![MBOT DRIVE CODE
var five = require("johnny-five");
var max_speed_l = 150;
var max_speed_r = 140;
// set up the input
var stdin = process.openStdin();
require('tty').setRawMode(true);
var board = new five.Board({port: process.argv[2]});
var l_motor = r_motor = null;
board.on("ready", function(err) {
if (err){
console.log(err);
return;
}](https://image.slidesharecdn.com/droidsjavascriptandwebconnectedhardware-150726132342-lva1-app6891/85/Droids-java-script-and-web-connected-hardware-33-320.jpg)
Droids, java script and web connected hardware
- 1. DROIDS, JAVASCRIPT AND WEB CONNECTED HARDWARE JSConf China, July 11, 2015 Andrew Fisher @ajfisher Press'S'forfullspeakernotes.
- 2. JS ALL THE REAL THINGS (CC)FlickrQuasimodo
- 3. HARDWARE IS BECOMING MORE LIKE SOFTWARE (CC)PhilFarugia
- 4. TODO Why use JS for robotics? Introduction to the NodeBots stack Applications and examples 1. 2. 3.
- 5. WHY USE JAVASCRIPT FOR ROBOTICS? (CC)FlickrJohnGreenaway
- 6. JAVASCRIPT IS TOO DYNAMIC TO BE PRECISE...
- 7. REAL HARDWARE ENGINEERS USE C...
- 8. WEB APPS DESIGNED BY HARDWARE ENGINEERS
- 9. WHY USE JS AND HARDWARE? (CC)FlickrOskay
- 11. THE REAL WORLD IS ALL EVENTS (CC)Flickrtxmx2
- 12. OBJECTS NEED STRUCTURE AND FLEXIBILITY var motor = new Five.Motor(); motor.start();
- 13. PROTOTYPES ARE GREAT var left_motor = new Five.motor({controller: 'I2C'}); var right_motor = new Five.motor({controller: 'PCA34567'}); left_motor.start(); right_motor.stop(); left_motor.prototype.double_speed = function() { .. };
- 17. THE STACK Controller board (sensors and actuators) IO Plugin (communications protocol) Johnny Five / NodeJS (application logic) WS/HTTP (networking and security protocols) Clients (UI, input, visualisation) # # # # #
- 18. COMMON IMPLEMENTATION Controller board (Arduino) IO Plugin (Firmata over USB) Johnny Five / NodeJS (application logic) WS/HTTP (networking and security protocols) Clients (UI, input, visualisation) # # # # #
- 19. NODEBOTS HARDWARE Servos, Motors, ESCs, Stepper motors Accelerometers, Gyroscopes, Compasses, IMUs Temperature, Proxitimity, Pressure sensors LEDs, NeoPixels, Pixel matrices Switches, Joysticks, Buttons LCDs # # # # # #
- 20. INSTALLATION Board development environment (eg Arduino) Flash board with protocol (eg Firmata) npm install johnny-five Write code ... Make an awesome robot # # # # # #
- 21. EXAMPLES AND APPLICATIONS Glasses(C) |Image(CC)AndyGelme MatthewBergman
- 23. NODE SKIRT Skirt(C) |Image(CC)KassandraPerch MatthewBergman
- 25. THARP (OSC)dtex
- 27. CIRCUIT
- 28. HARDWARE HELLO WORLD var five = require("johnny-five"); if (process.argv[2] == null) { console.log("You need to supply a device to connect to"); process.exit() } var board = five.Board({port: process.argv[2]}); board.on("ready", function() { var led = new five.Led(10); led.blink(500); });
- 30. WEB PAGE LED var five = require("johnny-five"); if (process.argv[2] == null) { console.log("Please supply a device to connect to"); process.exit(); } // web server elements var express = require('express'); var app = express(); var http = require('http'); var server = http.createServer(app); var board; // // // Set up the application server //
- 33. MBOT DRIVE CODE var five = require("johnny-five"); var max_speed_l = 150; var max_speed_r = 140; // set up the input var stdin = process.openStdin(); require('tty').setRawMode(true); var board = new five.Board({port: process.argv[2]}); var l_motor = r_motor = null; board.on("ready", function(err) { if (err){ console.log(err); return; }
- 36. NODEBOTS TONIGHT Arduino IDE - arduino.cc NodeJS installed npm install johnny-five github.com/jsconfcn/nodebots-session # # # #
- 37. INTERNATIONAL NODEBOTS DAY July 25, 2015 nodebotsday.com
- 38. RESOURCES johnny-five.org gitter.im/rwaldron/johnny-five node-ardx.org Make JS Robotics book (BOOKJSROBOTICS at MakerShed) # # # #
- 39. DROIDS, JAVASCRIPT AND WEB CONNECTED HARDWARE JSConf China, July 11, 2015 Andrew Fisher @ajfisher