We present GaussRFID, a hybrid RFID and magnetic-field tag sensing system that supports interactivity when embedded in retrofitted or new physical objects. The system consists of two major components — GaussTag, a magnetic-RFID tag that is combined with a magnetic unit and an RFID tag, and GaussStage, which is a tag reader that is combined with an analog Hall-sensor grid and an RFID reader. A GaussStage recognizes the ID, 3D position, and partial 3D orientation of a GaussTag near the sensing platform, and provides simple in- terfaces for involving physical constraints, displays and actu- ators in tangible interaction designs. The results of a two-day toy-hacking workshop reveal that all six groups of 31 par- ticipants successfully modified physical toys to interact with computers using the GaussRFID system.

1. GaussRFID:ReinventingPhysicalToysUsing
MagneticRFIDDevelopmentKits
Rong-HaoLiang,Han-ChihKuo,Bing-YuChen
NationalTaiwanUniversity

2. RichIDwithouttraining,and
Retrofittingexistedobject
RFID
informationcontainer

3. RichIDwithouttraining,and
Retrofittingexistedobject
RFID
informationcontainer

4. RichIDwithouttraining,and
Retrofittingexistedobject
RFID
informationcontainer

5. RichIDwithouttraining,and
Retrofittingexistedobject
RFID
informationcontainer
WhynotusingRFIDfigurinesastangiblecontrollers?

6. IDSense
(Li et al. CHI ’15)
RichIDwithouttraining,and
Retrofittingexistedobject
RFID
PaperID
(Li et al. CHI ’16)
RapID
(Spielberg et al. CHI ’16)
LimitedInputCapability

7. IDSense
(Li et al. CHI ’15)
RichIDwithouttraining,and
Retrofittingexistedobject
RFID
PaperID
(Li et al. CHI ’16)
RapID
(Spielberg et al. CHI ’16)
Rethinking RFID
(Marquardt et al. CHI ’10)
Adding Input to RFID Tags
(Simon et al. TEI ’14)
LimitedInputCapability

8. IDSense
(Li et al. CHI ’15)
RichIDwithouttraining,and
Retrofittingexistedobject
RFID
PaperID
(Li et al. CHI ’16)
RapID
(Spielberg et al. CHI ’16)
Rethinking RFID
(Marquardt et al. CHI ’10)
Forming Interactivity (Avrahami et al. DIS ’02)
Adding Input to RFID Tags
(Simon et al. TEI ’14)
LimitedInputCapability

9. IDSense
(Li et al. CHI ’15)
RichIDwithouttraining,and
Retrofittingexistedobject
RFID
PaperID
(Li et al. CHI ’16)
RapID
(Spielberg et al. CHI ’16)
Rethinking RFID
(Marquardt et al. CHI ’10)
Adding Input to RFID Tags
(Simon et al. TEI ’14)
Forming Interactivity (Avrahami et al. DIS ’02)
DonotturnRFIDintoaprecise,responsive,high-DOFcontroller

10. Gauss
Precise,responsive3Dtracking
withouttraining
Sense GaussBits (Liang et al. CHI ‘13)
N
S

11. withouttraining
RichIDwithouttraining,and
Retrofittingexistedobject
RFIDGauss
Precise,responsive3Dtracking
Sense

12. RFID
Precise,responsive3Dtracking
RichIDwithouttraining,and
Retrofittingexistedobject
Gauss

13. RFID
Precise,responsive3Dtracking
RichIDwithouttraining,and
Retrofittingexistedobject
Gauss
HFRFIDReader
GaussSense
>4mm
Microcontroller

14. ID,orientation,3Dposition
within5mmhoverheight
(strongermagnet:largerdistance)

15. Abstraction
EasymodificationofInput
holder
slider

16. Abstraction
EasymodificationofInput
holder
slider

17. Abstraction
EasymodificationofOutput

18. Abstraction
EasymodificationofOutput

19. GaussSenseSDK:FreeSoftwareDevelopmentKit
Availableonhttp://developers.gausstoys.com

20. 2DayToy-HackingWorkshop
Day1
Lo-FiPrototyping
Day2
Introduction
Brainstorming
31participantsinEE/CS/IDbackgrounds
AfterWorkshopTopic:
“Playing
oldtoysin
newways”

21. 2DayToy-HackingWorkshop
Day1
Lo-FiPrototyping
Day2
InteractiveExhibition
AfterWorkshop
Introduction
Brainstorming
Hi-FiPrototyping
Presentation
31participantsinEE/CS/IDbackgrounds

22. 2DayToy-HackingWorkshop
Day1
Lo-FiPrototyping
Day2
InteractiveExhibition
AfterWorkshop
Polishing
(withparticipants)
Introduction
Brainstorming
Hi-FiPrototyping
Presentation
31participantsinEE/CS/IDbackgrounds

23. 6PhysicalToysReinvented
Results

24. TangramReader1.

25. DesigningSpatialInteractionsofTokenswithaConstraint
TangramReader1.

26. ChineseChess2.

27. DesigningTokensinRichRepresentation
ChineseChess2.

28. FishingRod3.
servo

29. DesigningShape-ChangingInterfaces
Fishing3.

30. SnatchTetris4.
servo

31. SnatchTetris4.

32. CompetingGraspables
SnatchTetris4.

33. DisablingInputsofOpponent
SnatchTetris4.

34. DisablingInputsofOpponent
SnatchTetris4.

35. TracktheTrain5.
servo

36. TracktheTrain
TactileFeedback
5.

37. TableFootball6.
slidercap

38. RemoteMulti-UserBimanualInteractions
TableFootballTableFootball6.

39. OverallUserFeedback
Easy-to-use,easilyconfigurable,anduseful
indesigningtangibleinteractionswithrichformandfunction

40. OverallUserFeedback
Easy-to-use,easilyconfigurable,anduseful
indesigningtangibleinteractionswithrichformandfunction
MajorLimitation
• Onetagatatime

41. OverallUserFeedback
Easy-to-use,easilyconfigurable,anduseful
indesigningtangibleinteractionswithrichformandfunction
MajorLimitation
• Onetagatatime
• TagcouldnotberecognizedbehindanLCD

42. Conclusion
GaussToys Hackathon 2015
• ThecombinationofarobustIDmechanismwithmagnetictangibles
effectivelysupportapplicationsthatinvolvemanytangibleobjects.
• Theproposedtoolkitisusefulincontentdevelopment.
Conclusion

43. GaussToys Hackathon 2015GaussStudio @ TU/e
GaussStudio @ NTUEGaussStudio @ TEI 2016 GaussStudio @ Sinica
OpenHCI 2015 GaussStudio @ CGU

44. GaussToys Hackathon 2015GaussStudio @ TU/e
GaussStudio @ NTUEGaussStudio @ TEI 2016 GaussStudio @ Sinica
OpenHCI 2015 GaussStudio @ CGU
Whatwillyouinvent?

46. GaussRFIDcardboard

47. GaussRFIDcardboard
GaussSenseShield

48. GaussRFIDcardboard
GaussSenseShield
GaussRFIDandGaussSenseSDKarenowavailableon
GaussToys.com

49. GaussRFID:ReinventingPhysicalToysUsing
MagneticRFIDDevelopmentKits
Rong-HaoLiang,Han-ChihKuo,Bing-YuChen
NationalTaiwanUniversity
GaussRFIDandGaussSenseSDKarenowavailableon
GaussToys.com