Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
RPi-and-restroom
Search
Sponsored
·
Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
→
fukayatsu
January 15, 2014
Technology
1
310
RPi-and-restroom
Check restroom is occupied/vacant using Raspberry Pi
fukayatsu
January 15, 2014
Tweet
Share
More Decks by fukayatsu
See All by fukayatsu
esaを支える技術と気持ち
fukayatsu
7
3k
esa.ioの育て方
fukayatsu
28
9k
[WIP] esa.io、その後の話
fukayatsu
20
6.7k
esaを支える睡眠を支える技術
fukayatsu
18
6.6k
esa.io - 趣味から育てたWebサービスで生きていく
fukayatsu
62
61k
esa-kai
fukayatsu
1
390
あなたの知らないesa
fukayatsu
0
340
楽しいesaの作り方
fukayatsu
0
290
tqrk07-fukayatsu.pdf
fukayatsu
3
470
Other Decks in Technology
See All in Technology
コミュニティが変えるキャリアの地平線:コロナ禍新卒入社のエンジニアがAWSコミュニティで見つけた成長の羅針盤
kentosuzuki
0
120
仕様書駆動AI開発の実践: Issue→Skill→PRテンプレで 再現性を作る
knishioka
2
680
こんなところでも(地味に)活躍するImage Modeさんを知ってるかい?- Image Mode for OpenShift -
tsukaman
1
160
What happened to RubyGems and what can we learn?
mikemcquaid
0
300
FinTech SREのAWSサービス活用/Leveraging AWS Services in FinTech SRE
maaaato
0
130
Codex 5.3 と Opus 4.6 にコーポレートサイトを作らせてみた / Codex 5.3 vs Opus 4.6
ama_ch
0
180
Context Engineeringが企業で不可欠になる理由
hirosatogamo
PRO
3
620
ランサムウェア対策としてのpnpm導入のススメ
ishikawa_satoru
0
180
Bill One 開発エンジニア 紹介資料
sansan33
PRO
5
17k
ブロックテーマ、WordPress でウェブサイトをつくるということ / 2026.02.07 Gifu WordPress Meetup
torounit
0
190
AIエージェントを開発しよう!-AgentCore活用の勘所-
yukiogawa
0
170
予期せぬコストの急増を障害のように扱う――「コスト版ポストモーテム」の導入とその後の改善
muziyoshiz
1
2k
Featured
See All Featured
Public Speaking Without Barfing On Your Shoes - THAT 2023
reverentgeek
1
310
Reflections from 52 weeks, 52 projects
jeffersonlam
356
21k
Money Talks: Using Revenue to Get Sh*t Done
nikkihalliwell
0
150
Pawsitive SEO: Lessons from My Dog (and Many Mistakes) on Thriving as a Consultant in the Age of AI
davidcarrasco
0
67
Chasing Engaging Ingredients in Design
codingconduct
0
110
Side Projects
sachag
455
43k
Product Roadmaps are Hard
iamctodd
PRO
55
12k
Getting science done with accelerated Python computing platforms
jacobtomlinson
2
120
The Illustrated Guide to Node.js - THAT Conference 2024
reverentgeek
0
260
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
128
55k
Between Models and Reality
mayunak
1
190
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
196
71k
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…