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NodeBots introduction

NodeBots introduction

"That's right... if you've any JavaScript experience, you can now use your powers to manipulate the machines."

This slides give you an overview of the Raspberry Pi, Arduino, Spark and Tessel devices.

Also, if you are looking for advices on how to develop your Internet of Things business, reach out to RisingStack: http://risingstack.com

Gergely Nemeth

October 29, 2014

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  1. RASPBERRY - runs Linux - uses SD card as a

    storage - comes with 256MB/512MB RAM - 0.041 GFLOPS ( == 300Mhz Pentium II) - affordable (starts from $25) - can connect to internet with Ethernet or external Wi-Fi module
  2. RASPBERRY Pros: - quite powerful - runs everything* - lots

    of outputs (HDMI, USBs, Ethernet, Digital/Analog IOs) Cons: - not that cheap - consumes quite a lot of power *no JVM please :)
  3. ARDUINO - based on the 8-bit Atmel AVR microcontroller -

    Wiring platform - setup() - loop() - programs written using C/C++ - needs external Wi-Fi/Ethernet adapter
  4. JOHNNY-FIVE var five = require("johnny-five"); var board = new five.Board();

    board.on("ready", function() { // Create an Led on pin 13 and strobe it on/off // Optionally set the speed; defaults to 100ms var led13 = new five.Led(13) led13.strobe(); });
  5. ARDUINO Pros: - consumes less power - almost free (~4$

    the cheapest models) - if not used with Firmata, it can be programmed with C Cons: - needs a host machine(server) when used with Firmata (johnny-five) - if not used with Firmata it needs programming in C - no built-in Wi-Fi, nor Ethernet
  6. SPARK - Arduino compatible - can be used with Johnny-five

    - ships with Spark OS - open source cloud for the Spark devices - you can host your own - Pub/Sub - Spark cores can talk to each other - deployment made easy - yes, firmware update as well - built-in Wi-Fi
  7. SPARK Pros: - relatively cheap (~15$) - very small -

    Arduino compatible - (johnny-five as well) - lots of things out-of-the-box: deploying, security, REST API Cons: - less outputs
  8. TESSEL - microcontrollers that runs Javascript - all the things

    for NPM - modular - great for prototyping - audio - accelerometer - etc… - built-in Wi-Fi
  9. TESSEL (climate.js) var tessel = require('tessel'); var climatelib = require('climate-si7005');

    var climate = climatelib.use(tessel.port['A']); climate.on('ready', function () { climate.readTemperature('c', function (err, temp) { console.log(temp); }); });
  10. TESSEL Pros: - fast to push your first app (as

    it is written is Javascript) - lots of resources are ready to be used (NPM with more than 100K packages) - do not need a server - great for prototyping Cons: - expensive
  11. OVERVIEW Raspberry Pi Arduino Spark Tessel Runs Unix Yes No

    No No Built-in Ethernet Yes No No No Built-in Wi-Fi No No Yes Yes Programming language Your call C/C++ C/C++ Javascript Price ~$25 from $4 from $15 ~$100