Datasheet

You're done! Check your solder joints visually and
continue onto the next steps
Don't forget that the Real Time Clock requires a battery
backup. A CR1220 size battery goes in the back, make
sure the + symbol on the battery is visible when you
insert!
© Adafruit Industries https://learn.adafruit.com/adafruit-ds3231-precision-rtc-breakout Page 11 of 22