This
data logger shield provides an Arduino Uno, Leonardo, or Mega with the
ability to log sensor data to an SD card with the minimum of set-up. The
shield includes the very popular DS1307 battery-backed real-time clock
(RTC). This RTC will keep an accurate track of the data and time for up
to several years, even when the shield isn’t being powered. A standard
SD card reader is provided to allow FAT16 or FAT32 formatted SD cards up
to 32GB in size to be read or written to and is compatible with the
standard SD card library. The shield also contains appropriate level
shifting circuitry to protect the 3.3V interface of your SD card. A very
useful prototyping area consisting of a grid of pads on a standard 0.1″
pitch provide an area to add your own components such as sensors to
interface to your Arduino board.
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