DS1307 RTC – Real Time Clock

Description

A DS1307 RTC (real time clock) is basically just like a watch – it runs on a battery and keeps time for you even when there is a power outage! Using an RTC, you can keep track of long timelines, even if you reprogram your microcontroller or disconnect it from USB or a power plug.

Features:

• Continuous time and date
• Leap year calculation
• Low power
• 3v button cell battery

Pin details:

SDA – Serial Data

SCL – Serial clock

GND – Ground

Vcc  – Power supply 5v