DS3231 Real Time Clock Module for Raspberry Pi

DS3231 RTC RP a DS3231 RTC RP b DS3231 Real Time Clock Module for Raspberry Pi

Product Description:
This is a Mini Super Capacitor Real-Time Clock module, designed for the Raspberry Pi. It can be used with an Arduino though!
This accessory plugs on top of your Pi’s GPIO pins and contains a clock chip and a battery that allows your Raspberry Pi to remember the time!

Tiny GPIO accessory
Works in 3.3V and 5V
Supported by Raspberry Pi and Arduino
Self-adjust 3.3V and 5V
Size: 14x16x12 mm

Installation / Usage Guide:
Adding a Real Time Clock to Raspberry Pi