Real time clock DS3231

Features

• Compatible with Raspberry Pi, Feather (3.3 V) and Arduino, Metro328 (5 V)

• Counts seconds, minutes, hours, date of the month, month, day of the week and year (with leap year compensation - valid until 2100)

• Accuracy ±2ppm from 0°C to +40°C

• Accuracy ±3.5ppm from -40°C to +85°C

• Digital temperature sensor output: accuracy ±3°C

• Two time of day alarms

• Fast I2C interface (400 kHz)

• Battery backup input for continuous timing. With a button cell battery connected to the back, you can get years of accurate timing, even when main power is lost! A button cell battery is required (not included) to use the battery backup capabilities

• 3.3V operation

• STEMMA support

Documentation

Assembly/Pinning Guide