DFRobot Fermion: SD3031 Precision RTC Module for Arduino (Breakout)

Description DFRobot Fermion: SD3031 Precision RTC Module for Arduino (Breakout) Utilizes high-precision SD3031 chip Maintains accuracy at ±3.8ppm (±0.32832 seconds/day) Powered by button-cell batteries for uninterrupted timing Tracks various time units and adjusts for leap years Features built-in 70-byte SRAM for low-power data storage The DFRobot Fermion: SD3031 Precision RTC Module for Arduino (Breakout) is a real-time clock module that utilizes the SD3031 chip. This chip is equipped with an integrated crystal oscillator and a temperature compensator, ensuring high-precision timing and stability. The module's accuracy is maintained at ±3.8ppm (±0.32832 seconds/day) at a temperature of 25 °C. The SD3031 chip can be powered by button-cell batteries, ensuring accurate timing even in the event of a main power source interruption. The real-time clock module keeps track of various time units including seconds, minutes, hours, days of the week, dates of the month, and mo