SparkFun Qwiic RTC RV8803 Arduino Library
A library to drive the RV-1805 extremely precise, extremely low power, real-time clock. The RV-8803 from SparkFun is an extraordinarily precise, temperature-compensated RTC. The module itself can run as low as 240 nA. This library allows you to set and get time, set the hundredths registers, configure interrupts, and even calibrate your RTC.