Catalog > Internet of Things (IOT) Related Products > More Platforms Data Logging Shield Data Logging Shield CMU XD-204 DATA LOGGING SHIELD DATA LOGGING SHIELD XD-204 DATA ACQUISITION MODULE LOGGER Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features SD card interface works with FAT16 or FAT32 formatted cards. 3.3v level shifter circuitry prevents damage to your SD cardReal time clock (RTC) using the DS1307 chip keeps the time going even when the Arduino is unplugged. The battery backup lasts for yearsIncluded libraries and example code for both SD and RTC mean you can get going quickly. Prototyping area for soldering connectors, circuitry or sensors.Onboard 3.3v regulator is both a reliable reference voltage and also reliably runs SD cards that require a lot of power to runWorks with Arduino UNO, Duemilanove, Diecimila, Leonardo or ADK/Mega R3 or higher. ADK/Mega R2 or lower are not supported