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
tokaido lug 2019-03-09
Search
ahiru
March 09, 2019
Technology
1
130
tokaido lug 2019-03-09
tokaido lug 2019-03-09
ahiru
March 09, 2019
Tweet
Share
More Decks by ahiru
See All by ahiru
OSC名古屋東海道らぐLT
na0ki
0
630
mWWDC2017
na0ki
0
490
osc hamanako 2017 LT
na0ki
1
110
OSC Osaka 2017 LT
na0ki
0
140
OSC Nagoya Tokaidou LUG LT
na0ki
0
140
Tokaido LUG 2016.02.20
na0ki
0
900
Other Decks in Technology
See All in Technology
re:Invent をおうちで楽しんでみた ~CloudWatch のオブザーバビリティ機能がスゴい!/ Enjoyed AWS re:Invent from Home and CloudWatch Observability Feature is Amazing!
yuj1osm
0
120
MLOps の現場から
asei
6
630
AI時代のデータセンターネットワーク
lycorptech_jp
PRO
1
280
生成AIをより賢く エンジニアのための RAG入門 - Oracle AI Jam Session #20
kutsushitaneko
4
210
watsonx.ai Dojo #5 ファインチューニングとInstructLAB
oniak3ibm
PRO
0
160
20241214_WACATE2024冬_テスト設計技法をチョット俯瞰してみよう
kzsuzuki
3
440
プロダクト開発を加速させるためのQA文化の築き方 / How to build QA culture to accelerate product development
mii3king
1
250
LINEヤフーのフロントエンド組織・体制の紹介【24年12月】
lycorp_recruit_jp
0
530
OpenAIの蒸留機能(Model Distillation)を使用して運用中のLLMのコストを削減する取り組み
pharma_x_tech
4
540
Snykで始めるセキュリティ担当者とSREと開発者が楽になる脆弱性対応 / Getting started with Snyk Vulnerability Response
yamaguchitk333
2
180
あの日俺達が夢見たサーバレスアーキテクチャ/the-serverless-architecture-we-dreamed-of
tomoki10
0
420
私なりのAIのご紹介 [2024年版]
qt_luigi
1
120
Featured
See All Featured
Embracing the Ebb and Flow
colly
84
4.5k
A Modern Web Designer's Workflow
chriscoyier
693
190k
VelocityConf: Rendering Performance Case Studies
addyosmani
326
24k
GraphQLの誤解/rethinking-graphql
sonatard
67
10k
No one is an island. Learnings from fostering a developers community.
thoeni
19
3k
Fashionably flexible responsive web design (full day workshop)
malarkey
405
65k
Typedesign – Prime Four
hannesfritz
40
2.4k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
44
6.9k
Fontdeck: Realign not Redesign
paulrobertlloyd
82
5.3k
Intergalactic Javascript Robots from Outer Space
tanoku
270
27k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
247
1.3M
Writing Fast Ruby
sferik
628
61k
Transcript
RASPI CO2 20193 IN
• • EJUG, mikutter, Tokaido LUG
… … )'!*%(3&$ … .3*%+2& #,3&-1…
/0 … " … 2…
CO2
• RasPi 3B(+) • MH-Z19 • Winsen •
CO2 • 0 ~ 2,000 ppm, 0 ~ 5,000 ppm • (50ppm + 3% reading value) • PWM, UART • https://www.winsen-sensor.com/d/files/infrared-gas-sensor/mh-z19b-co2-ver1_0.pdf
• 400 ppm • https://ds.data.jma.go.jp/ghg/kanshi/ghgp/co2_trend.html • ppm
• Parts Per Million • • 1ppm = 0.0001% • 400 ppm = 400 x 0.0001 % = 0.04%
• 1,000 ppm (0.1%) • https://www.mhlw.go.jp/bunya/kenkou/seikatsu-eisei10/
• !" 1,000 ppm $ % " #
MY NEW GEAR…
• 5V, GND, Tx, Rx
• • Python
• https://github.com/UedaTakeyuki/mh-z19 • null • Pre-Heat 3min
• • 400 ppm !" •
20 $ 400ppm #
• : 740 • : 580
• *+ &' • &'2: 398 ~ 500,
972: 650 ~ 1450 • -, ) • &'2: 550 ~ 600, 972: 700 ~ 900 • !# 1534.(56 • .8$ • 0"/% 8$
GOLANG • Python &!%/- Golang .29 • Serial 7;*5
# #$1F https://github.com/tarm/serial • Serial A3"&: ,)46 API endpoint @ • &>A3'+E29 • API endpoint Golang + PostgreSQL + gorm + docker • POST B0(=8C? DB D<
• • Web UI • '
" #! • Slack • CO2 % • TVOC &$