Virtuabotixrtc.h Arduino Library Jun 2026

| DS1302 Module | Arduino Uno | | :--- | :--- | | VCC | 5V | | GND | GND | | CLK | Digital Pin 7 | | DAT | Digital Pin 6 | | RST | Digital Pin 5 |

delay(1000); // Wait 1 second before reading again

Understanding its internal bit-banging, BCD conversion, and RAM access unlocks the full potential of the DS1302. While newer chips offer better accuracy and simpler interfaces, the DS1302 and VirtuabotixRTC remain a robust, economical choice for countless embedded timekeeping tasks.