Creating the Internet of Things with JavaScript - Fluent Conf

Creating theInternet of Things with JavaScript @sh1mmer

The rise of the CPU

Moore’s Law

Rise of the network

Neilsen’s Law of Internet bandwidth

source: http://www.useit.com

The rise of the battery

Rechargeable Battery Capacity, Wh/Kg 400 New Li Tech 300 200 Li-ion/Poly NiMH 100 NiCd 01970 80 90 2000 10Sources: The Economist, AvicenneDashed lines denotes forecast data

Koomey’s Law

Processor Network Batteries Faster Faster & & Meh. Cheaper Cheaper

Network most drainCPU 2 nd most drain

Cost of powerServer Internet Device Sensors Amount of Data

Sensors 10k /sec Device 1 /sec Server 1 /min

Hello,I am a chair.

Hello,I am still a chair.

Hello,I am a chair.

Hello, I’m Chair McClure.You may remember me fromsuch slides as “I am a chair”.

Minimize amount of data Maximize usefulness

Event Driven Programming

object.on(event, function callback(data){ //stuff});

It got dark in here.

Can you turn yourself on please?

I turned myself on.

Please turn yourself off.

It turned myself off.

Data in/outCommands in/out

Processing on device reduces transmitted data by only sending interesting Events.

Events reduce the cost of listening for commands on the device

JavaScript applications aredynamic and can be updated over the network.

Easy JavaScriptInternet of Things for You

BeagleBone

BeagleBone• Micro linux• Ships with • Node • Cloud 9 IDE• APIs to interact with hardware

NinjaBlocks

NinjaBlocks• BeagleBone• Pre-made sensors• Connects to cloud service

Tom Hughes-Croucher @sh1mmer

http://lanyrd.com	52
http://us-w1.rockmelt.com	4
http://www.linkedin.com	3

Creating the Internet of Things with JavaScript - Fluent Conf

by Tom Hughes-Croucher on May 30, 2012

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