Scripting Things - Creating the Internet of Things with Perl

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Scripting Things Pittsburgh Perl Workshop 2011 Carnegie Mellon University Hans Scharler www.ioBridge.com @scharler

Objectives <ul><li>Introduce the “Internet of Things” </li></ul><ul><li>Learn how to Innovate </li></ul><ul><li>Answer: Wh...

The Internet of Things <ul><li>Sensors </li></ul><ul><li>Controllers </li></ul><ul><li>People </li></ul><ul><li>Buildings ...

The Internet of Things <ul><li>Is server monitoring too boring for the Internet of Things? </li></ul><ul><li>NO… Write a...

Innovation Source: everythingisaremix.info

Innovation Example Temperature Sensing Temperature Sensing Humidity Sensing Humidity Sensing + Twitter Tweeting Humidor

The Solution <ul><li>Perl? </li></ul>

The Benefits of Perl <ul><li>Parsing </li></ul><ul><li>String Operations </li></ul><ul><li>REGEX </li></ul><ul><li>Native ...

The Opportunity “ Imagine if we attach Perl to the emerging Internet of Things” --Hans Scharler “ Industry Leading Expert”...

Perl’s Keys to Success <ul><li>Examples written in Perl </li></ul><ul><li>CPAN module for Arduino® / ioBridge® </li></ul><...

Interface to the Real World <ul><li>Digital I/O </li></ul><ul><li>Analog </li></ul><ul><li>Serial </li></ul><ul><li>(via) ...

Digital I/O <ul><li>Digital = Discrete States (On/Off) </li></ul><ul><li>I = Input </li></ul><ul><li>O = Output </li...

Digital Output <ul><li>Device generates some voltage to represent the “On” state – typically 5v </li></ul><ul><li>Device g...

Digital Output <ul><li>If something that you are hacking has a button or switch, you can just replace it with a Digital Ou...

Digital Input <ul><li>Read in voltage that represents the “On” state – typically 5v </li></ul><ul><li>Read in voltage that...

Digital Input <ul><li>Use Digital Inputs to see if something is opened / closed, up / down, or on / off </li></ul>Down Ope...

Analog Input <ul><li>Varying voltages – typically from 0 to 5v </li></ul><ul><li>Higher voltages indicate more of somethin...

Analog Input: Temperature Source: physicscentral.com Voltage Time ->

Analog Input for Sensors <ul><li>Examples of Analog Input: </li></ul><ul><ul><li>Temperature </li></ul></ul><ul><ul><li>Hu...

Serial <ul><li>Serial is a way of passing data one piece at a time between devices </li></ul><ul><li>A little more complic...

Serial <ul><li>Even more Serial Concepts… </li></ul><ul><li>RS-232 </li></ul><ul><ul><li>Short distance communication </li...

Serial-over-USB Converts USB to UART Serial

Device::SerialPort ls -la /dev/tty* use Device::SerialPort; my $port = Device::SerialPort->new("/dev/tty.usbserial&qu...

$Device::SerialPort my $char = $port->lookfor(); print “$char \n”; $port->write(“Hello World"); Read Serial Data: Send...$

Network Protocols <ul><li>Abstraction of physical interface over network protocols </li></ul><ul><li>Serial-over-Ethernet ...

Serial over Network Serial Serial Ethernet Ethernet Now you can go a long distance over UART serial

“ ioBridge” ioBridge IO-204 Ethernet Module Relay Thermostat Temperature Sensor HTTP POST “ turn on thermostat” HTTP GET “...

How to Start <ul><li>Start small </li></ul><ul><li>Duplicate someone else's well documented project (check Instructables....

What We Do Projects!

Internet Pet Feeders 2008 2009 2010

Projects turned Products

Platform Technologies <ul><li>Optimized TCP/IP Stack </li></ul><ul><li>Portable Client </li></ul><ul><li>Real-time Streami...

Projects turned Products

Control Heating/Cooling Based on Current Position and Weather Track Your Location With Google Latitude

iPhone Controlled Beer Cannon Mini Fridge Beer Cannon by Ryan Rusnak Over 1 million YouTube Views Demo’d Live on TV In the...

Learn more… <ul><li>My blog - http://iamshadowlord.com </li></ul><ul><li>“ Thermd” Perl Module - http://www.klein.com/th...

Q&A Hans Scharler [email_address] www.ioBridge.com