- Using LIR2032 rechargeable lithium battery with charging circuit
- 24C32 32K I2C EEPROM memory
- Solve the problem of no literacy of the DS1307 with backup battery
- Support timing 1 year of the DS1307 after fully charged
The control interface is I2C interface, control interface level can be 5V or 3.3V. Power recommends 5VDC.
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