RPi-and-restroom

Check restroom is occupied/vacant using Raspberry Pi

Transcript

1. PRi on Toilet
   @fukayatsu
   

   View Slide

2. ઌि຤ʹΑ͏΍͘
   RPiΛ࢝Ί·ͨ͠
   RPi = Raspberry Pi
   

   View Slide

3. ͱ͜ΖͰɺ
   

   View Slide

4. ฐࣾΦϑΟεͷ
   ໰୊఺
   

   View Slide

5. τΠϨ͕ࠞΜͰΔ
   • ϑϩΞͷஉੑ໿10ਓʹରͯ͠τΠϨ͸1͚ͭͩɻ
   • ͦΕҎ֎ͩͱ֎ͷίϯϏχͷτΠϨΛआΓΔ͙
   Β͍͔͠ͳ͍ɻ
   • Կճ΋τΠϨΛ֬ೝ͠ʹߦ͘ͷ͕໘౗͍͘͞ɻ
   

   View Slide

6. ͦ͜Ͱɺ
   

   View Slide

7. View Slide

8. View Slide

9. ͜Ε͸Կʁ
   • RPi + ੺֎ઢηϯα + Wifiυϯάϧ
   • τΠϨ͕࢖༻த͔Ͳ͏͔Λఆظతʹαʔό΁ૹ৴
   

   View Slide

10. View Slide

11. ࡢ೔͔ΒՔಇத
    http://ucchusma.herokuapp.com/api/v1/rooms/1
    

    View Slide

12. γεςϜશମ૾
    

    View Slide

13. RPi্ͷεΫϦϓτ
    • cat /sys/class/gpio/gpio4/value
    • => 1 (͍Δ) or 0 (͍ͳ͍)
    • ্هͷ݁ՌΛఆظతʹAPIαʔόʹૹ৴(Ruby)
    • ࣮ࡍʹ͸௚ۙ30ඵؒͰ5ඵҎ্൓Ԡͨ͠৔߹
    ʹ”࢖༻த”ͱ൑அ
    

    View Slide

14. APIαʔό
    • on Heroku
    • Sinatra + Grape + Redis
    • /api/v1/rooms/1ʹରͯ͠GETɾPUTΛڐՄ
    • PUT࣌͸token͕ඞཁ
    

    View Slide

15. Chrome ֦ு
    • ఆظతʹAPIΛνΣοΫͯ͠ΞΠίϯΛม͑Δ
    

    View Slide

16. before & after
    • ಋೖલ
    • ʮ͏ʔτΠϨτΠϨʯ=>ʮ͋ɺ࢖༻த͔…ʯ
    => ʮ·ͨޙͰདྷΑ͏ʯ=> ਺෼ޙ࠷ॳʹ໭Δ
    • ಋೖޙ
    • ʮ͓ɺτΠϨۭ͍ͨͳɻʯ=> ʮ;͎…ʯ
    

    View Slide

17. RPiΛ͍͡Δ࣌ͷTips
    • δϟϯύϫΠϠ(Φε-ϝε)͕͋Δͱศར
    • GPIOͷinput͸5VͰͳ͘3.3V
    • ৄ͘͠͸blogͰʂ
    • blog.fukayatsu.com/2014/01/12/rest-room-api/
    

    View Slide

18. ࣍ճ࡞
    • ΦϑΟεͷΠϯλʔϗϯతͳ΍ͭ
    • ϘλϯΛԡͨ͠Βࣸਅ෇͖Ͱhipchatʹ௨஌
    • ͍ͭͰʹTweet͢ΔϘλϯ͕͋ͬͯ΋͍͍
    • ిݯͷऔΓճ͕͠ωοΫ
    

    View Slide

19. ײ૝
    • ϋϯμ෇ָ͚͍͠
    • Rubyָ͍͠
    • ࣗ෼ͷੜ׆Λศརʹ͢Δ΋ͷΛ࡞Δͷ͸࠷ߴʹ
    ָ͍͠
    = RPi͓͢͢Ί
    

    View Slide

20. ؔ࿈ϓϩδΣΫτ
    • ϔϒϯζŋυΞɹʙࢲ͕ߦͬͨΒۭ͍ͯΔτΠϨʢ by νʔ
    ϜϥϘMAKE෦ ʣ
    • http://heavens-door.info/
    • ͪ͜Β͸mbed੡ɻηϯαʔ͸ಉͬ͡Ά͍
    • Peeping Tom in the toilet with Raspberry Pi
    • http://www.raspberrypi.org/archives/4509
    • RPi + webcam੡ɻτΠϨʹwebcamͬͯ…
    

    View Slide