Features:
Realtime clock (RTC) to maintain the time, even when the Arduino is unplugged.Backup battery can last for years
Including SD card and RTC libraries
Welded joints, circuits or sensors prototyping area.
Built-in 3.3V regulator is a reliable reference voltage, and a reliable operation, requires a lot of power to run the SD card.
Compatible with Arduino UNO, Duemilanove, Diecimila, Leonardo or ADK / Mega R3 or higher.
ADK/MEGA R2 or lower is not supported.

 

Resources

1. Logger Shield: Datalogging for Arduino

2. RTC Data Logger Shield v1.1

 

 

Data logger Data Logging Shield V1.0 for Arduino

USh20,000Price