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Description: The SparkFun OpenLog is an open source data logger. Simple to use, simple to change. We wanted to create a serial logger that just worked. Power up this device and it will start logging any received serial data at 9600bps. Sending Ctrl+z three times will drop out of logging and in to command mode. �new� will create a new file. �md� makes a directory. �?� brings up the list of commands. OpenLog doesn�t do a lot, but it does log serial streams extremely well. Example:
>new testfile.txt >append testfile.txt <(send large amounts of text followed by three ctrl+z characters)
That�s really it! OpenLog firmware is open source and is based on Bill Greiman�s sdfatlib. OpenLog currently supports FAT16 and FAT32 microSD cards (we�ve tested up to 64GB!).
All the design files (schematic, PCB layout, firmware) are open source released under the CC-SA v3 license and are available through GitHub.
Note: New firmware is available which allows the OpenLog to be used in Arduino 1.0 and also allows for higher baud rates. Check the links below for more information.
Features:
Dimensions: 0.16 x 0.6 x 0.75" (4 x 15 x 19mm)
Documents:
The OpenLog project is housed on GitHub! Please see the wiki for the most up-to-date firmware, feature requests, files, and datasheet specs.
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