R0boCamp2016 Гліб Вінніков Home automation by ESP8266
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This document discusses home automation using the ESP8266 microcontroller. It provides an overview of the ESP8266, including its specifications, firmware options like Arduino and NodeMCU, development tools, and example applications for home automation using MQTT and Home Assistant. Communication protocols like MQTT that are well-suited for home automation are also covered.
R0boCamp2016 Гліб Вінніков Home automation by ESP8266
- 2. I AM • Many years in IT :) • FullStack Developer • JavaScript, NodeJS, AngularJS, etc … • Independent contractor/IT Expert/CTO • Pet projects: IoT, Arduino, Hardware, etc …
- 3. PLAN • Already finished • Habits • Standard tasks
- 4. PRODUCTION • A lot of communications • Constant changes • Interference
- 5. ??? • Beginners • Documentations • Examples on github/stackoverflow • Ready projects • Easy toolchains, IDE • Large community • Cheap • Wide specifications • Flexible
- 6. ESP8266 • http://espressif.com • http://bbs.espressif.com/ • CPU: Tensilica L106 32-bit micro controller • Operating Voltage: 3.0 ~ 3.6V • Operating Current: ~80mA
- 7. ESP8266 FAMILY • ESP01 - 12 • Form factors • Diff. antennas • Flash memory 512K-4M
- 8. WI-FI • Wi-Fi: 802.11 b/g/n • Wi-Fi mode: station/softAP/ SoftAP+station, WPA/WPA2, WEP/TKIP/AES • Types of Antenna: PCB Trace, External, IPEX Connector, Ceramic Chip
- 9. NETWORK PROTOCOLS • IPv4 • TCP • UDP • HTTP/HTTPS • FTP
- 10. PERIPHERAL BUS • UART • SDIO • SPI • I2C • I2S • GPIO • ADC • PWM
- 11. ESPRESSIF FIRMWARES • http://bbs.espressif.com • AT commands • SDK > AT > OK > AT+GMR > AT version:0.60.0.0(Feb 2 2016 18:43:31) SDK version:1.5.2(80914727) compile time:Feb 2 2016 18:59:50 OK
- 12. NODEMCU FIRMWARES • http://nodemcu.com/ • LUA • NodeMCU DevKit • http://esp8266.ru/esplorer/ • Libs < • need much more memory • upload by file
- 13. ARDUINO FIRMWARES • Arduino IDE • C/C++ • Libs > • https://github.com/esp8266/ Arduino • gitter community! • load common bundle
- 14. FIRMWARES • MicroPython • https://github.com/ micropython/micropython • cesanta/mongoose-iot
- 15. TOOLCHAINS • esptool.py • https://github.com/nodemcu/ nodemcu-flasher • Espressif
- 16. TOOLCHAINS • Arduino IDE • http://platformio.org/ • http://codebender.cc • http://www.blynk.cc/
- 17. FIRMWARE UPGRADE • UART Download • OTA (via network if 2x RAM)
- 18. DEV BOARDS • ready dev boards • adapters • FDTI
- 19. DARK SIDE • Power consumptions: up to 170Ma • Stability • Range distance
- 20. WHAT’S NEXT? • Work without i-net • Network, routing , VPN, port forwarding • Heterogeneous env • Device management (DHCP, DNS, Provisioning) • Automatization • Visualization • Access from inside/outside • Web/mobile
- 21. HA SERVERS • create IoT network • home-assistant.io • openhab.org • http://freedomotic.com/
- 22. HOME ASSISTANT • http://home-assistant.io • Opensource • Python • Win, Mac, Ubuntu, RPI, … • Components > • Mobile, Desktop • Automate
- 23. COMMUNICATION
- 24. MQTT • MQ Telemetry Transport • Lightweight • PubSub • QoS • TCP based
- 25. HTTP VS MQTT HTTP • Overhead • No QoS MQTT • Lightweight • QoS • TCP based http://stephendnicholas.com/posts/power-profiling-mqtt-vs-https
- 26. MQTT SOFT • Mosquitto - Open Source MQTT • Clients for all langs • Mob. apps • Browser extensions` • cloudmqtt.com • https://thingmq.com/
- 27. MORE EXAMPLES!
- 28. THANKS! • http://www.slideshare.net/glebvinnikov • [email protected] • https://twitter.com/Gleb_V