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RPi-and-restroom
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fukayatsu
January 15, 2014
Technology
1
280
RPi-and-restroom
Check restroom is occupied/vacant using Raspberry Pi
fukayatsu
January 15, 2014
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Transcript
PRi on Toilet @fukayatsu
ઌिʹΑ͏͘ RPiΛ࢝Ί·ͨ͠ RPi = Raspberry Pi
ͱ͜ΖͰɺ
ฐࣾΦϑΟεͷ
τΠϨ͕ࠞΜͰΔ • ϑϩΞͷஉੑ10ਓʹରͯ͠τΠϨ1͚ͭͩɻ • ͦΕҎ֎ͩͱ֎ͷίϯϏχͷτΠϨΛआΓΔ͙ Β͍͔͠ͳ͍ɻ • ԿճτΠϨΛ֬ೝ͠ʹߦ͘ͷ͕໘͍͘͞ɻ
ͦ͜Ͱɺ
None
None
͜ΕԿʁ • RPi + ֎ઢηϯα + Wifiυϯάϧ • τΠϨ͕༻த͔Ͳ͏͔Λఆظతʹαʔόૹ৴
None
ࡢ͔ΒՔಇத http://ucchusma.herokuapp.com/api/v1/rooms/1
γεςϜશମ૾
RPi্ͷεΫϦϓτ • cat /sys/class/gpio/gpio4/value • => 1 (͍Δ) or 0
(͍ͳ͍) • ্هͷ݁ՌΛఆظతʹAPIαʔόʹૹ৴(Ruby) • ࣮ࡍʹۙ30ඵؒͰ5ඵҎ্Ԡͨ͠߹ ʹ”༻த”ͱஅ
APIαʔό • on Heroku • Sinatra + Grape + Redis
• /api/v1/rooms/1ʹରͯ͠GETɾPUTΛڐՄ • PUT࣌token͕ඞཁ
Chrome ֦ு • ఆظతʹAPIΛνΣοΫͯ͠ΞΠίϯΛม͑Δ
before & after • ಋೖલ • ʮ͏ʔτΠϨτΠϨʯ=>ʮ͋ɺ༻த͔…ʯ => ʮ·ͨޙͰདྷΑ͏ʯ=> ޙ࠷ॳʹΔ
• ಋೖޙ • ʮ͓ɺτΠϨۭ͍ͨͳɻʯ=> ʮ;͎…ʯ
RPiΛ͍͡Δ࣌ͷTips • δϟϯύϫΠϠ(Φε-ϝε)͕͋Δͱศར • GPIOͷinput5VͰͳ͘3.3V • ৄ͘͠blogͰʂ • blog.fukayatsu.com/2014/01/12/rest-room-api/
࣍ճ࡞ • ΦϑΟεͷΠϯλʔϗϯతͳͭ • ϘλϯΛԡͨ͠Βࣸਅ͖Ͱhipchatʹ௨ • ͍ͭͰʹTweet͢ΔϘλϯ͕͍͍͋ͬͯ • ిݯͷऔΓճ͕͠ωοΫ
ײ • ϋϯμָ͚͍͠ • Rubyָ͍͠ • ࣗͷੜ׆Λศརʹ͢ΔͷΛ࡞Δͷ࠷ߴʹ ָ͍͠ = RPi͓͢͢Ί
ؔ࿈ϓϩδΣΫτ • ϔϒϯζŋυΞɹʙࢲ͕ߦͬͨΒۭ͍ͯΔτΠϨʢ by νʔ ϜϥϘMAKE෦ ʣ • http://heavens-door.info/ •
ͪ͜Βmbedɻηϯαʔಉͬ͡Ά͍ • Peeping Tom in the toilet with Raspberry Pi • http://www.raspberrypi.org/archives/4509 • RPi + webcamɻτΠϨʹwebcamͬͯ…