乾杯＆ウェアラブル謎ガジェット

at builderscon tokyo 2018 前夜祭
by uzulla

Transcript

1. סഋˍ΢ΣΞϥϒϧṖΨδΣοτ
   

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2. !ίϯʂ!
   

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3. uzullaͰ͢
   

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6. ిࢠ໊ࡳ
   

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7. • ిࢠϖʔύʔ
   • ϥζύΠθϩWH
   

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8. ιϑτతʹϋοΫ
   • ͘Θ͘͠͸GitHubΛΈͯ͘Εʂ
   • https://github.com/builderscon/
   electronic_badge_2018
   

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9. show_img
   $ show_img your.jpg
   

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11. show_txt
    $ show_txt your.txt
    or
    $ echo "tadaa" | show_txt -
    

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13. ͋ͱ͸ɺ໊ࡳΛͭͳ͍ͰݱΕΔUSB
    υϥΠϒʹద౰ʹγΣϧεΫϦϓτ
    Λ౤͛ࠐΉ͚ͩʂʂ
    

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14. # startup.shΛͭͬͯ͘
    $ echo "echo 'helloworld' | show_cli - " > /Volumes/NAFUDA/startup.sh
    $ # wait a 10sec...
    $ diskutil umount /Volumes/NAFUDA/
    # ໊ࡳΛ֎ͯ͠
    # ىಈ͢Δʂ
    

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15. Πʔδʔʂ
    • 㙽ʹ֯؆୯ͳΜͰɺ΍ͬͯΈͯ͘Εʂ
    • ʢͱ͸͍͑ɺNAFUDAυϥΠϒܦ༝͸ۤߦͳͷͰɺͬ͞͞ͱ
    sshͰೖΔ΄͏͕ྑ͍ʣ
    

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16. ϋοΫʹ͋Δͱศརͳάοζ
    • microSDϦʔμʔ(100ۉͷͰ΋͍͍͔Β)
    • ࠷৽ϑΝʔϜΛGH͔ΒDLͯ͠ম͜͏ʂ
    • serial έʔϒϧ(amazonͰ500ԁ͘Β͍͔Β͋Δ͔Β)
    • 㙽ʹ֯ศརʂʂ
    

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17. ϋʔυతʹϋοΫ
    • ϥζύΠͳͷͰɺͭͳ͛͹Ͳ͏ͱͰ΋ͳΓ·͢Ͷ
    • GPIO,I2C,SPI,HDMI,ΧϝϥIF,ͳΜͰ΋͋Δͧ
    • ϥΠϒϥϦ΋๛෋ͩʂʢCͱ͔PythonͳΒͶʣ
    

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20. ༨Γʹ΋؆୯ͳΜͰɺ
    • ͕࣌ؒ͋·Γ·ͨ͠ʢͩΑͶʁʣ
    • (໨ඪ5෼)
    

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21. ఻͑Δ΋ͷ
    • ిࢠ໊ࡳ͸ిࢠͷνΧϥͰී௨ͷ໊ࡳҎ্Λ࣮ݱ͠Α͏ͱͯ͠
    ͍·͢ɻ
    

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22. ޿ٛͷ΢ΣΞϥϒϧΨδΣοτ
    

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23. ͔͠͠
    

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24. ஍ຯ…ʂѹ౗త஍ຯʂ
    

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25. ਓ͸ϐΧϐΧ͢Δ΋ͷ͕ؾʹͳΓ·͢
    • ޷Ήɺ޷·ͳ͍͸͓͖ͯ͞
    

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26. ໊ࡳ΋ϐΧϐΧ͠ͳ͍ͱ͍͚ͳ
    ͍ʂʂ
    

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27. ໊ࡳ͕ਓͷअຐΛͯ͠͸͍͚ͳ͍ɺ
    ͦΜͳېسΛഁΔͧʂ
    

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28. ૬खͷअຐͯ͠Ͱ΋஫ҙΛҾ͘ɺΨ
    δΣοτ
    

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29. ϋΠύϫʔిࢠ໊ࡳʂ
    

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30. DEMO
    

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33. ܽ఺
    • ᚶ͗ͯ͢͠໨͕௧͘ͳΔ
    • ੨ͱനͷίϯτϥετ͕ബ͍
    • ѹ౗తղ૾౓ͷ௿͞ʢ16x16ͷFavicon
    Ϩϕϧʣ
    • ϑϧύϫʔͩͱΊͪΌΊͪΌిؾΛ৯
    ͏
    • (ӈͷࣸਅ͸ʮ݁ߏύϫʔߜͬͯΔʯঢ়
    ଶͰ͢ʣ
    

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34. • ֎෦ిݯྫ
    • DC 5V 8A (ͪΐͬͱා͍)
    • ·͋ɺً౓Λ͛͞Ε͹ɺ300mAh͘Β
    ͍ʹ͸ͳΓ·͚͢ͲͶɻ
    

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35. Ͱ΋໨ཱͭʂʂ
    • ͭΑ͍ʂ
    • ѱ͍ύʔςΟϐʔϙʔײ͕͍͢͝
    

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36. σϞͰͨ͠
    • WS2812BͷLEDΛ੍ޚͯ͠·͢
    • (ҰԠ)ిࢠ໊ࡳͰ͜Ε͸੍ޚ͍ͯ͠·͢
    • ϚΠίϯͰ͸ਏ͍ը૾ॲཧ΋ɺϥζύΠͳΒϥΫϥΫʂ
    • ͱͯ΋؆୯Ͱ͢ɺϥζύΠ࠷ߴͰ͢Ͷ
    • ࠓ೔͸΍Βͳ͔ͬͨͰ͚͢ͲɺWifiͰWebαʔό΋
    

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37. ిࢠ໊ࡳ͸ͱͯ΋Մೳੑ͕͋Γ·͢!!
    • (·͋ɺී௨ʹϥζύΠͰ͔͢ΒͶ)
    • Έͳ͞ΜͥͻτϥΠͯ͠Έ͍ͯͩ͘͞ʂʂ
    • ΢ϩ΢ϩ͍ͯ͠ΔͷͰɺฉ͍͍ͯͩ͘͞ʂ
    • ͳ͓ɺ໌೔͸ϏΧϏΧ͠ͳ͍ਅ໘໨ͳ࿩΋͍ͨ͠·͢ͷͰɺ
    ͥͻޕޙϝΠϯϗʔϧʹฉ͖ʹདྷ͍ͯͩ͘͞ɻ
    

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