This is Tiny RTC Real Time Clock DS1307 I2C IIC Module for Arduino. This best RTC Module Arduino contains a DS1307 real-time clock IC. RTC module DS1307 is one of the easiest-to-use RTCs out there, with Arduino and other libraries or you simply use I2C commands to set and retrieve the time and date. Includes a lithium coin cell battery which should be suitable for four years at least.

Along with the DS 1307 tiny real-time clock, the module also has an Atmel 24C32 EEPROM chip which is handy for storing data without worrying about power loss. RTC clock module, there is also space on the board to solder your own DS18B20 temperature sensor.

This battery backup option allows you to keep a reasonably accurate time even when your Arduino is powered off.  It is very useful in data logging and other time-sensitive applications. The device uses I2C to communicate with your Arduino.

Features Of R-T-C Real Time Clock Module Arduino DS-1307:

• Two-wire I2C interface
• Hour: Minutes: Seconds AM/PM
• Leap year compensation
• Accurate calendar up to the year 2100
• Consumes Less than 500nA in Battery-Backup
• 1Hz output pin
• 56 Bytes of Non-volatile memory available to the user
• 4KB of serial electrically erasable and programmable read-only memory (EEPROM)
• Embed DS18B20 temperature sensor interface with the pull-up resistor.

Specifications Of Best DS-1307 DS1307 RTC Module For Arduino:

1. Operating Voltage: 4.5 to 5.5V (5V typical)
2. Current Consumption: < 1.5mA (type.)
3. Accuracy: (0-40°C)Depends on the crystal (± 20ppm type.)
4. Battery: CR2032 (3V Coin)(Not Included)

Package Includes:

• 1 x Real Time Clock Module DS1307 

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