Real Time Clock DS1307 RTC I2C Module AT24C32 with CR2032 Coin Battery

Specifications:

• Size: 28mm (length) * 25mm (W) * 9mm (height)
• Weight: 8g
• Operating voltage :5?V
• Real time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation
• IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)
• Can be cascaded with other IIC device, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57

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Descriptions:

• 24C32 32K I2C EEPROM Memory
• Backup by AT24C32 32 Kbit
• DS1307,AT24C32 can work separated
• Leads to the DS1307 clock pin, to provide the clock signal for the microcontroller
• DS1307 I2C real time clock chip (RTC)
• LIR2032 rechargeable Lithium battery with charging circuit
• Fully charged, can power DS1307 module for 1 year
• DS1307 can provide clock for microcontroller
• I2C devices can be cascaded