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A Precision Real-Time Clock System using ESP32, DS3231 RTC module, and SSD1306 OLED display for accurate timekeeping with battery backup. Features high-precision temperature-compensated crystal ...
Displays time (HH:MM:SS), date (DD.MM or DD.MM.YYYY), and temperature (TT°C). Setup mode for adjusting time/date via three buttons (Mode, Plus, Minus). 8x8 font (0-9 ...