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.
- 1x Fermion: SD3031 RTC module (Breakout)
- 1x 2.54-7P Black Single-row Pin Connector
- 22.5 x 21 mm / 0.89 x 0.83 inch
Website
- Supply Voltage: 3.3 V
- I2C Address: 0x32
- SRAM: 70 Byte (0x2C-0x71)
- Timing Year Range: 2000 - 2099
- Operating Temperature: -10 to +70 °C
- Timing Accuracy: ±3.8 ppm at 25 °C