DS3231 AT24C32 IIC Module Precision Real Time Clock Memory Module Arduino/Precise Time Clock Module with a Temperature-compensated Crystal OscillatorV

DS3231 AT24C32 IIC Module Precision Real Time Clock Memory Module Arduino/Precise Time Clock Module with a Temperature-compensated Crystal Oscillator Low-cost, accurate I2C real-time clock (RTC) module with a temperature-compensated crystal oscillator (TCXO) improving long-term accuracy Precise temperature sensor, through the I2C interface for access battery LIR2032, maintaining accurate timekeeping without main power Automatically adjusted including corrections for leap year Calendar alarm clock with two programmable square-wave output Generating seconds, minutes, hours, day, month and year timing till 2100 Cascaded with other IIC device, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57 battery LIR2032, preventing the system from power failure