RTC Data Logging Shield


The RTC Data Logging Shield is an easy way to add storage to your Arduino project. It supports SD, SDHC, and MicroSD TF cards and with onboard real time clock. Use the onboard toggle switch to select betweem types of SD cards. 

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Note: Do not insert both SD card simultaneously as it may damage the internal circuits.


  • FAT16 or FAT32 formatted cards
  • RTC is powered independently (not from the Arduino power)
  • Onboard 3.3V level shifter and regulator
  • Supports Arduino UNO, Duemilanove, Diecimila, Leonardo



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