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Node-RED: IoT projects with ESP32, MQTT and Docker

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Smart Home and IoT Projects with step by step guide and all codes for download


1. Introduction
  • 1. Promo
  • 2. About me
  • 3. Prerequisites
  • 4.1 z AllFiles V1.1.zip
  • 4. Sketch, Code examples and flows
  • 5. The basic sketch - start of every project
  • 6. Making instead of lecturing
  • 7. Disclaimer

  • 2. Install all programmes as containers
  • 1. Intro
  • 2. Why Docker
  • 3. Get a vServer
  • 4. Docker Installation
  • 5. Docker CLI using the example of Focalboard
  • 6. Portainer
  • 7. Mosquitto Broker
  • 8. Run Mosquitto in the Container
  • 9. ohmyz for more convenient terminal handling
  • 10. Mosquitto Broker with PW authentication
  • 11. Node-RED
  • 12. Node-RED with authentication
  • 13. InfluxDB
  • 14. Grafana
  • 15. MariaDB and create a DB via CLI
  • 16. Adminer
  • 17. Update Docker Container
  • 18. Traefik as reverse proxy for SSL access
  • 19. SSL for Node-RED with Traefik Labels
  • 20. Cronjobs for backup routines
  • 21. Backup of Node-RED Flows via Cronjob

  • 3. First overview of Node-RED
  • 1. Intro
  • 2. Separation of tasks of software and hardware
  • 3. First overview of flow and nodes
  • 4. Overwrite Payload with Function Node
  • 5. Process JSON
  • 6. Context, flow and global variables
  • 7. So many nodes

  • 4. MQTT Basics
  • 1. Intro
  • 2. MQTT terminology
  • 3. MQTT network using the example of Subscriber and Publisher
  • 4. MQTT Topic Levels and Wildcard with CLI examples
  • 5. Quality of Service QoS
  • 6. Retained Messages
  • 7. Birth Death und Last Will
  • 8. MQTT Best Practices
  • 9. MQTT Explorer

  • 5. Setup Node-RED
  • 1.1 6.1 Intro
  • 1. Intro
  • 2. Broker settings and MQTT in & MQTT out
  • 3. Save data from Node-RED in InfluxDB
  • 4. First visualization of InfluxDB data in Grafana
  • 5. INSERT and SELECT with MariaDB

  • 6. Basic sketch with ESP32 for WIFI and MQTT
  • 1. Intro
  • 2. Recommendation VS Code with PlatformIO
  • 3. LED Blink without delay
  • 4. WiFi and MQTT Connection
  • 5. Switch LED with MQTT
  • 6. Send and receive JSON
  • 7. Transfer source code from VS Code for Arduino IDE

  • 7. Mini weather station
  • 1. Intro
  • 2. Wiring
  • 3. Basic Sketch
  • 4. BMP180 Temperature and barometric pressure
  • 5. BH1750 Light sensor
  • 6. Transmit sensor data to Node-RED
  • 7. Save data in InfluxDB
  • 8. Visualize data in Grafana
  • 9. Controlling a fan with MQTT
  • 10. Control fan with hysteresis
  • 11. Temperature values and hysteresis

  • 8. Visualize weather data on the e-ink display
  • 1. Intro
  • 2. Wiring
  • 3. PlatformIO and XIAO ESP32
  • 4. E-Ink Hello World
  • 5. Align text and adjust font
  • 6. Convert and embed graphics
  • 7. Display text and graphic together
  • 8. Weather data REST API
  • 9. Use REST APIs in Node-RED
  • 10. JSON editing
  • 11. Formatting date and other variables
  • 12. ESP32 requests new data
  • 13. Deepsleep
  • 14. Calculate power consumption
  • 15. 3D printed housing

  • 9. Surveillance camera with ESP32-Cam incl. Machine-Learning Node
  • 1. Intro
  • 2. Wiring
  • 3. CameraWebServer Example
  • 4. Send Picture via MQTT
  • 5. Display photos in Node-RED
  • 6. Deepsleep and motion sensor as surveillance camera
  • 7. Telegram Token and Node-RED implementation
  • 8. Save photo on server
  • 9. Send photo via Telegram when motion detector is triggered

  • 10. Time recording witht RFID und TimeTagger
  • 1. Intro
  • 2. Wiring
  • 3. Read RFID ID
  • 4. Connection to Node-RED
  • 5. LED checkin checkout
  • 6. TimeTagger as Container with docker-compose
  • 7. TimeTagger Web API with HTTP Requests
  • 8. PUT Record via WEB API
  • 9. Using a Flatfile for saving checkin on server
  • 10. Send Record to WEB API

  • 11. Time-controlled plant watering with water level monitoring
  • 1. Intro
  • 2. Wiring
  • 3. Flow Chart
  • 4. Basic structure with enums
  • 5. MQTT communication with Node-RED and ESP32
  • 6. Globals.h for global variables
  • 7. Switch on relay via MQTT for 3 seconds
  • 8. Evaluate and transmit fill level with ultrasound
  • 9. Create MariaDB table and use database node
  • 10. Store water level information in MariaDB
  • 11. Time interval for watering
  • 12. Monitor water tank level
  • 13. DeepSleep to save power
  • 14. Visualization of data on Dashboard

  • 12. Smart plugs and relays
  • 1. Intro
  • 2. Flashing Tasmota
  • 3. Configure Tasmota
  • 4. Switching Tasmota sockets with Node-Red
  • 5. Read sensor data from Smart Plug
  • 6. Save energy data in InfluxDB and visualize in Grafana
  • 7. Shelly 1PM Setup
  • 8. Shelly and Node-RED via RPC
  • 9. Toggle Shelly with Node-RED
  • 10. Relay temperature monitoring with telegram notification

  • 13. Mini IoT Button with 100 days battery life
  • 1. Intro
  • 2. ESP8266 vs ESP32 XIAO
  • 3. IoTButton Sketch and Toggle Node
  • 4. 3D print and Calculation Battery Consumption

  • 14. Internet Radio
  • 1. Intro
  • 2. Wiring
  • 3. Include Libraries
  • 4. Internet radio stations
  • 5. Control Radio via MQTT
  • 6. Setting the alarm time and Dashboard

  • 15. MQTT with TLS
  • 1. Intro
  • 2. DynDNS and Certbot
  • 3. Mount Cert files in Docker
  • 4. mosquitto.conf and NodeRED Broker Settings
  • 5. ESP32 and MQTT with TLS
  • 6. Analyze MQTT Traffic with Wireshark

  • 16. Conclusion
  • 1. Summary of all learnings
  • 2. Thank you and see you soon
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