Adafruit PiRTC - Precise DS3231 Real Time Clock for Raspberry Pi POL_D24V22Fx Step-Down Voltage Regulators 54″) in diameter and are

54″) in diameter and are designed to press-fit securely onto D output shafts with a diameter of 3 mm

which gives users the ability to create very friendly interfaces that can graph

whatever could benefit from beautiful diffused colorful buttons

Compact size of approximately 30 x 17 x 31 mm (1

It is the perfect time to upgrade our Grove too

Adafruit PiRTC - Precise DS3231 Real Time Clock for Raspberry Pi POL_D24V22Fx Step-Down Voltage Regulators 54″) in diameter and areThis is the best battery backed real time clock (RTC) you can get that allows your Raspberry Pi project to keep track of time if the power is lost. Perfect for data logging, clock building, NTP servers, time stamping, timers and alarms, etc. Equipped with a genuine DS3231 RTC, it works great with the Raspberry Pi and has native kernel support. The datasheet for the DS3231 explains that this part is an "Extremely Accurate IC Integrated RTC TCXO