ESP32 WiFi Data Logging Tutorial (No Cloud Costs!): Google Sheets + ThingSpeak + Mobile App

Learn how to send data from a cheap ESP32 to a live dashboard, your phone, and a Google Sheet—all for FREE! In this step-by-step tutorial, we cover three powerful, no-cost methods for ESP32 WiFi data logging, perfect for your next IoT project. Whether you need instant graphs, critical alerts, or a powerful spreadsheet for long-term data storage, this guide has you covered. 🔗 *Companion Article & All Source Code:* https://bj-dehaan-solutions.com.au/ar... 💻 *Services Mentioned:* • ThingSpeak: https://thingspeak.com/ • ntfy.sh: https://ntfy.sh/ • Google Cloud Console: https://console.cloud.google.com/ • Google Sheets: https://docs.google.com/spreadsheets/ 🚀 *Level Up Your ESP32 Skills:* • Master `millis()` vs `delay()`:    • Beyond delay(): Multitasking on Arduino wi...   • Save Battery with Deep Sleep Mode:    • Save Battery Life on Your ESP32 – Deep Sle...   ⏰ *TIMESTAMPS:* 0:00 - Introduction 0:52 - The Foundation: Getting Your ESP32 Online 1:44 - Method 1: ThingSpeak for Live Graphs 4:19 - Method 2: ntfy.sh for Instant Phone Alerts 5:55 - Method 3: Google Sheets for Ultimate Data Storage 9:14 - Conclusion & What You Can Build Next! Got a project idea or a question? Drop it in the comments below—I read every single one! If this video helped you, please hit the like button and subscribe! It makes a huge difference for the channel. Happy building! #ESP32 #IoT #DataLogging #Arduino #ThingSpeak #GoogleSheets #DIY