ESP32 RTC Timer Relay | DS3231 Weekly Timer + Web Dashboard (No WiFi)
Build an ESP32 RTC Timer Relay Switch with DS3231, OLED, and Web Dashboard. Works offline with weekly timer and mobile control.
ESP32 Internal RTC Timer Control Relay
Make an ESP32 internal RTC timer control relay without any external RTC module. It uses NTP server to fetch the time. (Circuit + Code)