Module Tiny / Mini Real Time Clock (RTC) yang berbasis IC DS1307 dari Dallas.
Sudah termasuk 1 pcs batere LIR2032 (Rechargeable Lithium Battery), tegangan 3v, kapasitas 260mAh, secara teori bisa bertahan hingga 10 tahun.
**SpesifikasiDS1307 I2C real-time clock chip (RTC) accessed via the I2C protocol24C32 32K I2C EEPROM memoryIncluding Battery LIR2032 rechargeable lithium battery, and with the charging circuitTwo wire I2C interfaceHour : Minutes : Seconds AM/PMDay Month, Date - YearSize: 27x28x8.4mmLeap year compensationAccurate calendar up to year 21001Hz output pin56 Bytes of Non-volatile memory available to user