DS3231 MINI FOR RASPBERRY

The DS3231 Mini RTC module is designed for Raspberry Pi (3.3V) but also works with Arduino (5V) — it auto-adjusts between 3.3V and 5V. Highly accurate (±5ppm / ±0.432 sec/day) with battery backup for continuous timekeeping. Tracks seconds, minutes, hours, day, date, month, and year with leap-year compensation to 2100.

Features:

• Self-adjusting 3.3V/5V operation — compatible with Raspberry Pi and Arduino
• Battery backup for continuous timing
• Two calendar alarms
• 1Hz and 32.768kHz output pins
• High-speed 400kHz I2C interface
• Low power consumption

Specifications:

• Accuracy: ±5ppm (±0.432 sec/day)
• Operating Temperature: -40 to +85°C
• Timekeeping valid to year 2100
• Dimensions: 14 × 14 × 12mm