A precision real-time clock module built on the DS3231 with a temperature-compensated crystal oscillator (TCXO), so it keeps accurate time for clocks, data loggers and scheduled projects – even when your board is powered off.
Specifications
Chip: DS3231 with integrated TCXO
Interface: I2C
Battery backup keeps time without main power
Tracks seconds, minutes, hours, date, month and year, with leap-year correction
Options: standard DS3231 module or Mini DS3231 module
Coin cell battery availability varies by version – check the product photos.
