Virtuabotixrtc.h Arduino Library Jun 2026

The DS1302 is a trickle-charge RTC that communicates via a 3-wire synchronous serial interface (CE, I/O, SCLK). It is slightly older and less precise than the DS3231, but it is incredibly cheap and easy to use. The Virtuobiotix library was tailor-made for this chip.

VirtuabotixRTC myRTC(6, 7, 8); const int ledPin = 13; virtuabotixrtc.h arduino library