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Tiny RTC DS1307 Real Time Clock I2C Module
9RTCDS1307
New
DS1307 based RTC with CR2032 battery (Battery not included)
Backup by AT24C32 32Kbit EEPROM
5+ In Stock Items
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Description:
The DS1307 is a low power, with 56 bytes of non-volatile RAM BCD code clock calendar real-time clock chip, the address and data transmission through the two-wire bidirectional serial bus, the chip can be seconds, minutes, hours and other information , the number of days in each month can be adjusted automatically. And there is a leap year compensation function. AM / PM flag determines clock work 24-hour or 12-hour mode, the chip has a built-in power-sense circuit, brownout detection and battery switching function.
Features:
- Module Feature :
- DS1307 I2C real-time clock chip (RTC)
- 24C32 32K I2C EEPROM memory
- Using LIR2032 rechargeable lithium battery (not included) with charging circuit. (Do not charge if used with CR2032!)
- Fully charged, it can provide 1 year lifetime
- Compact design, 27x28x8.4mm
- Leads to the a DS1307 clock pin, to provide the clock signal for the MCU
- Can be cascaded to other I2C devices
- Weight : 0.008 kg
- DS1307 Feature :
- Can account seconds, hours, minutes, monthly number of days, months, days of the week count with leap year compensation function. Record the year on line 2100
- 56 bytes of non-volatile RAM
- Two-wire serial interface
- Programmable square-wave output
- Automatic power-down detection and switching circuit
- In battery backup mode, power consumption is less than 500nA
- Weight : 0.008 kg
Battery not included.
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