Home Automation by ESP8266 #iotconfua
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The document discusses using the ESP8266 microcontroller for home automation projects. It provides an overview of the ESP8266, including its specifications, firmware options like Arduino and NodeMCU, and communication protocols supported. Examples are given of using the ESP8266 to build an IoT home automation network with MQTT and Home Assistant or create devices like a solar-powered irrigation controller or quadcopter controller.
Home Automation by ESP8266 #iotconfua
- 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 • FTP
- 10. PERIPHERAL BUS • UART • SDIO • SPI • I2C • I2S • GPIO • ADC • PWM
- 11. FIRMWARE UPGRADE • UART Download • OTA (via network)
- 12. FLASH TOOLS • esptool.py • ArduinoIDE • https://github.com/nodemcu/ nodemcu-flasher • Espressif
- 13. 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
- 14. NODEMCU FIRMWARES • http://nodemcu.com/ • LUA • NodeMCU DevKit • http://esp8266.ru/esplorer/ • Libs < • need much more memory • upload by file
- 15. ARDUINO FIRMWARES • Arduino IDE • C/C++ • Libs > • https://github.com/esp8266/ Arduino • gitter community! • load common bundle
- 16. FIRMWARES • MicroPython • https://github.com/ micropython/micropython • smart.js
- 17. PLATFORMIO • http://platformio.org/ • ATOM IDE • PlatformIO CLI tool • Lint • Multiple platforms • Boards 200+
- 18. DEV BOARDS • ready dev boards • adapters • FDTI
- 19. COMMUNICATION
- 20. MQTT • MQ Telemetry Transport • Lightweight • PubSub • QoS • TCP based
- 21. HTTP VS MQTT HTTP • Overhead • No QoS MQTT • Lightweight • QoS • TCP based http://stephendnicholas.com/posts/power-profiling-mqtt-vs-https
- 22. MQTT SOFT • Mosquitto - Open Source MQTT • Clients for all langs • Mob. apps • Browser extensions` • cloudmqtt.com • https://thingmq.com/
- 23. WHAT’S NEXT? • create IoT network • home-assistant.io • openhab.org • http://freedomotic.com/
- 24. HOME ASSISTANT • http://home-assistant.io • Opensource • Python • Win, Mac, Ubuntu, RPI, … • Components > • Mobile, Desktop • Automate
- 25. THE INTERNET OF BEES HTTP://MAKEZINE.COM/PROJECTS/BEES-SENSORS-MONITOR-HIVE-HEALTH/
- 27. CONTROL AN IRRIGATION SYSTEM HTTP://MAKEZINE.COM/PROJECTS/WIFI-WATER-VALVE/