Adafruit DS3231 Precision RTC Breakout Compatible With_Raspberry Pi 3 the Feather 32u4 Adalogger includes

the Feather 32u4 Adalogger includes a JST connector for 3

An IDC cable

For use with a BeagleBone black

that can natively support such RGB TTL displays

vertical or any angle in between (180 rotation)

Adafruit DS3231 Precision RTC Breakout Compatible With_Raspberry Pi 3 the Feather 32u4 Adalogger includesThe DS3231 Precision RTC Breakout delivers highly accurate timekeeping with built in temperature compensation and battery backupperfect for clocks, data logging, and projects that need reliable time even without power. The datasheet for the Adafruit DS3231 explains that this part is an "Extremely Accurate IC Integrated RTC TCXO Crystal". And, hey, it does exactly what it says on the tin! This Real Time Clock (RTC) is the most precise you can get in a