Location-Based HacksHow to Automate Your Life with SMS and GPS

Aaron Parecki • @aaronpk

Open Source Bridge • June 2011

Slides and code available ataaron.pk/osb11

Sparkfun Hardware GPS

• As expensive as a phone

• Not real-time, download the data every night

• Another device to charge and carry

aaron.pk/osb11 @aaronpk

Phones with GPS Hardware

• One of a small subset of smartphones with GPS capability in 2008.• Now, most smartphones have this capability.

aaron.pk/osb11 @aaronpk

@aaronpk

Raw GPS Logs

aaron.pk/osb11

@aaronpk

Temporal Relationships

• Relationships for a limited time

• Meeting a client – 30 minutes before the meeting

• Carpooling to work – every day from 8-9am

• Even with friends, their location is not always relevant to me

aaron.pk/osb11

@aaronpkaaron.pk/osb11

@aaronpkaaron.pk/osb11

Personal LocationAnalytics

Everyone has a unique footprint of their city

aaron.pk/osb11 @aaronpk

LOCATION-BASED TRIGGERSSome fun uses for real-time location

aaron.pk/osb11 @aaronpk

@aaronpkaaron.pk/osb11

GeonotesLocation-Based Reminders

Try it! aaron.pk/geonote

Proximal Address Notification

Send an address as a Geonote.

It will arrive where you need it.

aaron.pk/osb11 @aaronpk

@aaronpkaaron.pk/osb11

@aaronpk

• Sends users notifications of restaurants nearby their location that are below a threshold of cleanliness.

• Made by Reid Beels at a Geoloqi Hackathon

aaron.pk/osb11

@aaronpk

Trigger-Based Actions

Create triggers based on where users are.

aaron.pk/osb11

@aaronpk

Turning On/Off Your Lightswith GPS and SPS

aaron.pk/osb11

Geoloqi APIYour Home

Server

X10

Tropo.com

Your Home Lights

@aaronpkaaron.pk/osb11

X10 Lamp Switch

Linux Command Line X10 Clientwww.heyu.org

$ heyu on A1

@aaronpk

Geoloqi Layers

aaron.pk/osb11

Web Views

@aaronpkaaron.pk/osb11

@aaronpk

Create a Layer in Geoloqi

aaron.pk/osb11

Docs: geoloqi.org/API/layer/create

@aaronpk

Create a Trigger in Geoloqi

aaron.pk/osb11

Docs: geoloqi.org/API/trigger/create

@aaronpk

Handling a Trigger from Geoloqi

aaron.pk/osb11

Docs: geoloqi.org/Trigger_Callback

@aaronpk

Loqi – the Friendly IRC Bot• Core is MediaWiki RecentChanges perl bot

• Listens for incoming UDP packets and echos to a channel

• IRC messages are routed to a separate script on a new thread

• Loqi’s reactions to messages can take an indefinite amount of time without hanging the main IRC process

• Hangs out in #pdxwebdev on freenode

aaron.pk/osb11

@aaronpk

Loqi – the Friendly IRC Bot

aaron.pk/osb11

@aaronpk

Loqi – the Friendly IRC Bot• Easy to send messages from new sources because it’s

listening on UDP

• Security by obscurity! Yeah!

• Quick way to debug things on random web servers

• Send messages from any language

aaron.pk/osb11

@aaronpk

Loqi – the Friendly IRC Bot

aaron.pk/osb11

@aaronpk

Create an SMS Number

aaron.pk/osb11

tropo.com

@aaronpk

SMS to IRC Gateway

aaron.pk/osb11

https://gist.github.com/1043323

@aaronpkaaron.pk/osb11

@aaronpkaaron.pk/osb11

@aaronpkaaron.pk/osb11

@aaronpkaaron.pk/osb11

@aaronpkaaron.pk/osb11

@aaronpkaaron.pk/osb11

@aaronpkaaron.pk/osb11

@aaronpkaaron.pk/osb11

@aaronpk

Indoor Location! (sort of)• Watch your DHCP server logs for mac addresses

• Your phone makes a DHCP request almost immediately when you get in range of your home Wifi

• Quick and cheap way to know if you’re home!

aaron.pk/osb11

Thank you.

Geoloqi.com

Slides & Code: aaron.pk/osb11

Aaron Parecki @aaronpk