This Arduino compatible Tiny RTC I2C module incorporates the DS1307 I2C real time clock IC and the 24C32 32K I2C EEPROM storage. All of this in a tiny package of 25mm x 28mm x 8.4mm. It comes with a LIR2303 rechargeable lithium battery, and a charging circuit is included in the module. The RTC module can run for 1 year on a single battery.
High quality DS1307 using the I2C real time clock chip.
Can use LIR2032 rechargeable lithium battery.
(RTC) 24 C32 32 K I2C EEPROM memory.
Dimensions: 27 mm x 28 mm x 8.4 mm
This module can be cascaded to other I2C devices
Compact design, 27mm * 28mm * 8.4mm