Upgrade to PRO for Only $50/Year—Limited-Time Offer! 🔥
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
MQTT com café ou vice-versa
Search
Houssan A. Hijazi
January 08, 2019
Programming
0
300
MQTT com café ou vice-versa
Houssan A. Hijazi
January 08, 2019
Tweet
Share
More Decks by Houssan A. Hijazi
See All by Houssan A. Hijazi
Ligando uma cafeteira com Micropython, Mqtt e Android
hussanhijazi
0
370
Jetpack Compose Um novo jeito de construir Views no Android
hussanhijazi
1
310
Encender una cafetera con Micropython, MQTT y Android
hussanhijazi
0
310
Prototipando com RaspberryPi e Node-RED
hussanhijazi
0
260
MVVM com RxJava com Kotlin
hussanhijazi
0
270
Kotlin A nova linguagem oficial do Android
hussanhijazi
0
280
Desenvolvimento ágil
hussanhijazi
0
250
Android: Por onde começar?
hussanhijazi
0
280
Padrões de Projeto e Qualidade de Software
hussanhijazi
0
280
Other Decks in Programming
See All in Programming
Deno Tunnel を使ってみた話
kamekyame
0
230
生成AIを利用するだけでなく、投資できる組織へ
pospome
2
400
Implementation Patterns
denyspoltorak
0
110
Rubyで鍛える仕組み化プロヂュース力
muryoimpl
0
160
ローカルLLMを⽤いてコード補完を⾏う VSCode拡張機能を作ってみた
nearme_tech
PRO
0
150
The Art of Re-Architecture - Droidcon India 2025
siddroid
0
120
Flutter On-device AI로 완성하는 오프라인 앱, 박제창 @DevFest INCHEON 2025
itsmedreamwalker
1
150
20251212 AI 時代的 Legacy Code 營救術 2025 WebConf
mouson
0
210
Jetpack XR SDKから紐解くAndroid XR開発と技術選定のヒント / about-androidxr-and-jetpack-xr-sdk
drumath2237
1
190
著者と進める!『AIと個人開発したくなったらまずCursorで要件定義だ!』
yasunacoffee
0
160
Go コードベースの構成と AI コンテキスト定義
andpad
0
140
AIの誤りが許されない業務システムにおいて“信頼されるAI” を目指す / building-trusted-ai-systems
yuya4
6
3.9k
Featured
See All Featured
The agentic SEO stack - context over prompts
schlessera
0
560
Utilizing Notion as your number one productivity tool
mfonobong
2
190
The Cost Of JavaScript in 2023
addyosmani
55
9.4k
YesSQL, Process and Tooling at Scale
rocio
174
15k
What’s in a name? Adding method to the madness
productmarketing
PRO
24
3.8k
Java REST API Framework Comparison - PWX 2021
mraible
34
9k
Measuring Dark Social's Impact On Conversion and Attribution
stephenakadiri
0
94
Being A Developer After 40
akosma
91
590k
Ecommerce SEO: The Keys for Success Now & Beyond - #SERPConf2024
aleyda
1
1.7k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
132
19k
Claude Code どこまでも/ Claude Code Everywhere
nwiizo
61
47k
A Tale of Four Properties
chriscoyier
162
23k
Transcript
MQTT com café ou vice-versa
Quem? • André Queiroz -
[email protected]
◦ Analista de suporte
◦ 7 anos experiência com Arduino ◦ 1 ano experiência com RaspberryPi ◦ Santista
Quem? • Houssan Ali Hijazi -
[email protected]
◦ Organizador GDG
Foz do Iguaçu ◦ Desenvolvedor Android na Ignus Digital - https://ignusdigital.com/ ◦ http://www.lojasparaguai.com.br/ ◦ http://www.desaparecidosbr.org/ ◦ http://www.dolarpy.com.br/ ◦ Santista
MQTT Message Queue Telemetry Transport
História • Projeto IBM, final dos anos 90 • Criadores:
Andy Stanford-Clark (IBM) e Arlen Nipper (Cirrus Link)
Definição • MQTT (Message Queue Telemetry Transport) • É um
protocolo de rede M2M que trabalha no top da pilha TCP/IP. • Alternativa para Comunicação entre Máquinas
Características • É um protocolo leve para redes com largura
de banda limitada e alta latência • Paradigma PUB/SUB • Broker (Middleware) • Assíncrono • Consome poucos recursos dos dispositivos (Bateria, Processamento, Largura de Banda) • Altamente escalável • Fácil Implementação
Quem usa ? • IBM • Facebook • Eclipse Foundation
• Intel • Bosh • Siemens • Ubuntu • Mosquitto • Mais em: https://iot.eclipse.org/working-group/#members
Broker Subscriber Publisher Subscriber Subscriber Subscribe a topic Publish data
topic Send msg to clients Arquitetura MQTT Publisher Publisher
Hardware / Projeto • Arduino ESP8266 • Rele - Acionamento
mecânico • Cafeteira
Projeto Unifilar 5v (CC) 5v (CC) 110/220 (AC) GPIO: D2
Código Arduino • PubSubClient • ESP8266WiFi
Código Arduino
Projeto Broker Publish message ON/OFF to topic gdgfoz/coffeeiot Send message
ON/OFF to topic gdgfoz/coffeeiot Subscribe topic gdgfoz/coffeeiot Script: Python, Java, Kotlin, Ruby, Javascript etc…
MQTT Python • Paho library • pip install paho-mqtt
Script On/Off Python
Script On/Off Python
Rodar por crontab do linux • Linguagem: Python, Java, Kotlin,
Ruby, Javascript etc… • Criar script • Adicionar ao cron do linux • Rodar num horário específico • E se acordar mais cedo ou mais tarde ? • E se for feriado?
Android
Projeto Broker Publish message ON/OFF to topic gdgfoz/coffeeiot Send message
ON/OFF to topic gdgfoz/coffeeiot Subscribe topic gdgfoz/coffeeiot
Código Android • Kotlin • Paho library
None
Tá, e o café?
Códigos • https://github.com/hussanhijazi/mqtt-coffee-arduino • https://github.com/hussanhijazi/mqtt-coffee-python • https://github.com/hussanhijazi/mqtt-android
Contatos • Houssan Ali Hijazi -
[email protected]
• André Queiroz
-
[email protected]