Real World / Second Life Joining the Real and the Virtual Jonathan - - PowerPoint PPT Presentation

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Real World / Second Life Joining the Real and the Virtual Jonathan - - PowerPoint PPT Presentation

Nov 27, 2022 473 likes •1.22k views

Real World / Second Life Joining the Real and the Virtual Jonathan Oxer January 30th, 2008 Linux.Conf.Au 2008 Melbourne, Australia free your mind re-imagine reality Warning: this can kill you! I accept no responsibility for what you

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Joining the Real and the Virtual

Jonathan Oxer

January 30th, 2008 Linux.Conf.Au 2008 Melbourne, Australia

Real World / Second Life

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free your mind

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re-imagine reality

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Warning: this can kill you!

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I accept no responsibility for what you do with the wild ideas I'm about to put in your head ;-)

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Choices, choices!

Parallel, RS232, PS2, PCI, USB, IR, Bluetooth, ...

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the parallel port is good because it's “dumb”

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no flow control no comms protocol

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just flip bits

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the parallel port is bad because it's “dumb”

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scripting language support very poor

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use a trivial C helper

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Introduction to Arduino

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Arduino IDE Installation

Extract archive for your OS

On Debian and derived distros: # aptitude remove brltty # aptitude install libftdi0 \ sun-java5-jre gcc-avr avr-libc # update-alternatives --config java (select java-1.5.0-sun)

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Introduction to Linden Scripting Language

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State machine

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states

and

triggers

(or “events”)

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LSL Building Blocks

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HTTP out of Second Life

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XML-RPC into Second Life

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Email out of Second Life

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Email into Second Life

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Modified SL client

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Custom SL client using libsecondlife

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Private SL sim

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Introduction to Electronics

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Voltage, Current, and Resistance

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Voltage

(Volts, V) is like pressure

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Current

(Amps, A) is like flow rate

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Resistance

(Ohms, R) is like... well, resistance

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Ohm's Law:

V = I x R I = V / R R = V / I

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Ohm's Law:

V = I x R I = V / R R = V / I

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Ohm's Law:

V = I x R I = V / R R = V / I

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Breadboard

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Breadboard

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Resistor

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Transistor

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Multimeter

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Diode

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LED

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LED

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Capacitor

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Switch

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Hardware Building Blocks

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Transistor / Relay

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free your mind

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hardware is malleable

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use scripts as glue

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More Information

Skeleton site now up at: www.secondlifeintegration.com Join the Second Life group: “Second Life Integration” These slides are at: jon.oxer.com.au/talks

Making Things Move Jonathan Oxer

Thanks for listening :-)

More information

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Ohm sweet ohm

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Not just a pretty face

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Who goes there?

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Let there be light

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Magnet power!

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What am I?

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Curtains for lazy people

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Curtains for lazy people

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Price check on aisle 3!

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Watering for lazy people

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PHP phone home