Virtuabotixrtc.h Arduino Library ✦ Exclusive
virtuabotixRTC.h library is a popular, lightweight tool designed specifically to interface Arduino boards with the DS1302 Real-Time Clock (RTC)
For developers pushing this library further, consider forking it to add trickle charger configuration, 12-hour mode support, or hardware SPI acceleration. The simplicity of the codebase invites modification—a testament to good open-source design. virtuabotixrtc.h arduino library
- Reads current time and date (second, minute, hour, day, date, month, year).
- Writes/sets time and date on the RTC.
- Supports 24-hour and basic 12-hour formats via hour value interpretation.
- Uses Arduino Wire (I²C) for communication with DS1307-compatible devices.
- Minimal code and memory footprint — suitable for AVR-based Arduino boards.
Remember to always install the battery, set the time once, and call updateTime() before every time you need to read the clock. With this library in your toolkit, your Arduino will never lose track of time again. virtuabotixRTC
Our Verdict:
Use VirtuabotixRTC if you already have a DS1302 module and need a 5-minute setup. Use RTClib for long-term, high-accuracy projects. Reads current time and date (second, minute, hour,
Remember the golden rules:
- Download the VirtuabotixRTC library files (header/source) and place them in your Arduino/libraries folder, or install via the Arduino IDE’s Library Manager if available.
- Restart the Arduino IDE so the library appears under Sketch → Include Library.