Hackster Project: https://hackster.io/oscarsalguero/sentinel-8234b3 Presented at Google New York with the NYC-GDG. July 10th 2017. Periscope Video: https://www.pscp.tv/w/1YqKDwNlrMaxV

1. Sentinel (A Work In Progress)
The First Home Security Robot Powered by Android Things™
https://www.hackster.io/oscarsalguero/sentinel-8234b3
Oscar Salguero
@OscarSalguero

2. Agenda
● Motivation
● Hardware
● Software
● Valuable Tips
● Demo
● Roadmap

3. Motivation

4. ● Expensive
● Monthly Fees
● Gotta have one on each room
● Hackable
● Complicated Setup
● Can’t See Anything Without Dynamic DNS
● OEM and Third Party Apps are Unreliable
Home Security Cameras Suck

5. ● Don’t Talk To Other Smart Home or IoT Hardware
● Use Email
● Send You Unrelevant Push Notifications
● No Face Recognition!
● No Image Classification!
Home Security Solutions are Dumb

6. ● Dogs move from room to room or go outside
● Yeah!… Cats kinda move around too.
● Throw Fido a ball, or scare your Cat! ;P
● You just want to stalk your pets
● Want to keep an eye on the kids
● Want to see if some delivery arrived
Where Is My Pet and What is He/She Doing?

7. Hardware

8. Rover 5 Platform
https://www.pololu.com/product/1535

9. Raspberry Pi 3,
& SD Card with
Android Things ™
https://www.adafruit.com/product/3292

10. Rasperry Pi
Camera Module
v2
https://www.adafruit.com/product/3099

11. Adafruit
Motor Hat &
Servo Hat
https://www.adafruit.com/product/2348 and
https://www.adafruit.com/product/2327

12. Other Stuff
● Pan/Tilt Bracket
(https://www.sparkfun.com
/products/10335)
● 3D Printed Camera Mount
● Expansion Plates
● Cables, wires
● Standoffs, nuts, screws,
etc.
● Power Bank (Battery Pack)

13. Software

14. Android All The Things
● Android Studio 3.0
● Android Phone
● Android Things ™
● Antonio Zugaldia’s
Android Robocar Project
(PWM and Motor Hat Java
Library)
http://androidrobocar.com

15. Companion Android App
● See your pet from
anywhere!
● Remote Control
● Image History

16. Firebase & Google Cloud Galore

17. Valuable Tips

18. Valuable Tips
● Draw, sketch or diagram your idea first
● Write down a list of desirable features
● Research about the technologies such
as APIs, protocols, etc. you’ll need to
achieve the desired features
● Write down a list of parts and materials
● Research about the parts and materials
before purchasing them; pros/cons
matter

19. Valuable Tips
● Learn about circuits, voltages, current,
etc... BEFOREHAND!
● Be mindful about power requirements
● Run and analyze google sample code
(GitHub)
● Ask questions (forums, Stack Overflow…
the Interwebz)
● Watch how it done (YouTube)
● Try not to burn your fingers when
soldering the headers (Ouch, it hurts!)

20. Roadmap
● Face Detection And Tracking (Google
Mobile Vision)
● Face Recognition (TF)
● Real Time Image Classification (TF)
● Movement Detection
● “Smart” Push Notifications (Firebase)
● Pan/Tilt Bracket controlled with right
joystick on the 8Bitdo NES 30 Pro
controller
● Voice Control
● Autonomous Patrolling
● Find Your Pet

21. Demo

22. Questions?
This presentation is available at:
https://goo.gl/Jjwr8F

23. Thank You!
Oscar Salguero
@OscarSalguero

24. Sentinel
Will Be Back to GDG NYC on 08/07!
The First Home Security Robot Powered by Android Things™
https://www.hackster.io/oscarsalguero/sentinel-8234b3
Oscar Salguero
@OscarSalguero