Use the built-in WiFi to send data to ThingSpeak. This could be temperature readings, water levels, lux levels, ...

ThingSpeak is free if you send less than 3 million messages per year. Ideal for DIY projects.

🔗 Useful links:
- ThingSpeak homepage:
https://thingspeak.com/

- Arduino library for ThingSpeak: https://github.com/mathworks/thingspe...

⚡️Other videos in this series:
   • ESP32 + Arduino  

(Everything you need to know about programming the ESP32 by using the Arduino Framework)

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