Data Logger Module(SD card)

Description:

OpenLog is an open source data logger. Simple to usesimple 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 lotbut it does log serial streams extremely well. Example:

That s really it! OpenLog firmware is open source and is based on Bill Greimans sdfatlib. OpenLog currently supports FAT16 and FAT32 microSD cards (weve tested up to 16GB!).

All the design files (schematicPCB layoutfirmware) 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.

Dimensions: 0.16 x 0.6 x 0.75" (4 x 15 x 19mm)

The OpenLog project is housed on GitHub! Please see the wiki for the most up-to-date firmwarefeature requestsfilesand datasheet specs.

Features:

  • 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
  • Three modes:
    • NewLog creates a new log every power up and immediately starts logging
    • SeqLog appends a file called  SeqLog.txt  at every power up and immediately starts logging
    • Command mode starts OpenLog at a command prompt at power up
  • Configurable baud rates (2400 to 115200bps)
  • Configure unit through config file or the menu system
  • Powergroundand RX-I are the minimum connections
  • Reprogrammable ATmega328 using the Arduino IDE
  • Two LEDs indicate writing status
  • Input voltage from 3.3V to 12V
  • 2mA idle6mA at maximum recording rate

Documents:

26 JD
Quantity
1 in stock
26 JD 1+ units
24.7 JD 10+ units
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22.1 JD 100+ units



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