LED control from firebase

Today I finally got my ESP32 Firebase LED control system working — and the journey was a masterclass in real-world IoT debugging.

What looked like a simple task (turn an LED ON/OFF from the cloud) turned into solving multiple layered problems:

• Firebase returning null → empty database issue
• ESP32 receiving corrupted data → chunked HTTP handling mistake
• DNS failures → request triggered before WiFi ready
• HTTP client misuse → perform() vs manual read confusion

Step by step, fixing each layer, the system finally came together:

Cloud (Firebase) → ESP32 → LED ✅

This wasn’t just blinking an LED. This was:

• Understanding REST APIs on embedded systems
• Handling HTTPS + TLS on ESP32
• Debugging real network-level issues
• Designing a proper IoT control loop

And that’s the difference between “project-based learning” and “real engineering experience”.

If you’re learning IoT or embedded systems — don’t skip debugging. That’s where the real learning happens.

If you need the working code, I am happy to share it with you, please comment below 👇

https://www.linkedin.com/posts/anees-kokadan_esp32-iot-firebase-activity-7448192769887629312-vExH?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAABpp0PkBI2m3mwO5pKHlo96RE-5O-1S-AyY

hashtag#ESP32 hashtag#IoT hashtag#Firebase hashtag#EmbeddedSystems hashtag#LearningByDoing hashtag#EngineeringJourney