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Future Electronics Egypt

Data Logger Module (OpenLog)

Data Logger Module (OpenLog)

LE 185.00

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OpenLog is an open source data logger. Simple to use, simple to change.  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 let you in to command mode. 'new' commend will create a new file. 'md' command makes a directory. '?'  command brings up the list of commands. OpenLog does log serial streams extremely well. 

OpenLog currently supports FAT16 and FAT32 microSD cards (we've tested up to 16GB!).

Note: New firmware is available which allows the OpenLog to be used in Arduino and also allows for higher baud rates. Check the links below for more information.


  • Log to low-cost microSD FAT16/32 cards up to 16GB
  • Simple command interface
  • Edit config.txt file from a computer to change baud rate and other system settings
  • Configurable baud rates (2400 to 115200bps)
  • Reprogrammable ATmega328 using the Arduino IDE
  • Two LEDs indicate writing status
  • Input voltage from 3.3V to 12V
  • 2mA idle, 6mA at maximum recording rate

Dimensions: 4 x 15 x 19 mm

Example Arduino Sketches

Command Set



How to upgrade the firmware




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