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Real Time Clock Module (DS1307)

The Real Time Clock (RTC) module can be used to retain the time, even when the Arduino is powered off. These modules use I2C communication.

eBay - RTC (Real Time Clock) Module DS1307 for Arduino
eBay - RTC (Real Time Clock) Module DS1307 for Arduino
$0.99
in stock
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eBay
Amazon.co.uk - RTC (Real Time Clock) Module DS1307 for Arduino
Amazon.co.uk - RTC (Real Time Clock) Module DS1307 for Arduino
£2.99
in stock
as of May 26, 2025 12:54 pm
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Amazon.co.uk
Banggood - RTC (Real Time Clock) Module DS1307 for Arduino
Banggood - RTC (Real Time Clock) Module DS1307 for Arduino
$6.99
out of stock
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Banggood.com
Amazon.com - RTC (Real Time Clock) Module DS1307 for Arduino
Amazon.com - RTC (Real Time Clock) Module DS1307 for Arduino
out of stock
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Amazon.com
Amazon.de - RTC (Real Time Clock) Module DS1307 for Arduino
Amazon.de - RTC (Real Time Clock) Module DS1307 for Arduino
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Amazon.de
Amazon.es - RTC (Real Time Clock) Module DS1307 for Arduino
Amazon.es - RTC (Real Time Clock) Module DS1307 for Arduino
out of stock
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Amazon.es
Aliexpress - RTC (Real Time Clock) Module DS1307 for Arduino
Aliexpress - RTC (Real Time Clock) Module DS1307 for Arduino
$1.94
$2.86
out of stock
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Aliexpress

Learn how to use the Real Time Clock (RTC) module with the Arduino: