Free Elektor Article: The RV-3029-C2 “Swiss Clock”

https://www.electronics-lab.com/free-elektor-article-the-rv-3029-c2-swiss-clock/

Off-air awfully accurate drop-in RTC & calendar on I²C This RTC & Calendar board is built around Micro Crystal’s type RV-3029-C2 integrated circuit. The ‘3029 is a real-time-clock/calendar (RTC) cheerfully communicating via the I2C protocol. It offers good precision out of the box, and fine precision when tweaked. Features: Micro Crystal RV-3029-C2 RTC/Calendar chip Battery […]