
ESP32 RTC Timer with Firebase Cloud-Based Smart Relay
Build ESP32 RTC Timer with DS3231 & Firebase. Learn remote relay control, RTC scheduling, database setup, and web dashboard integration

Build ESP32 RTC Timer with DS3231 & Firebase. Learn remote relay control, RTC scheduling, database setup, and web dashboard integration

Build an ESP32 RTC Timer Relay Switch with DS3231, OLED, and Web Dashboard. Works offline with weekly timer and mobile control.

Make an ESP32 internal RTC timer control relay without any external RTC module. It uses NTP server to fetch the time. (Circuit + Code)