Add micro-SD storage to your projects

Add micro-SD storage to your projects

Posted on 28. Jul, 2009 by in Misc Modules

Microcontrollers are very handy for a wide variety of projects. Many people find them useful for building data loggers and other "storage" type projects. The problem is that most micros don't have that much on-board memory or you have to use an external serial EEPROM if you want more storage space.

But what if you want to be able to easily remove the data from your project or to be able to change the memory out for some reason?

That's where this 4D Systems micro-DRIVE saves the day. This small board accepts a standard off-the-shelf Micro-SD FLASH memory card and has on on-board controller to read and write to the card. The controller currently supports the FAT16 filesystem, so your project will be able to read and write files to the card which can then be read/written from many other FAT compatible devices. The pins are on a standard 0.1" pitch so you can plug the micro-DRIVE into your breadboard or use it with the bewildering number of connection options which support that spacing.

Some features of the 4D Systems micro-DRIVE inclue:

  • Uses standard micro-SD cards up to 2GB
  • Easy to use commands for reading and writing to the card
  • Simple serial interface with your existing project
  • Use FAT16 or a raw block filesystem
  • 3.6V to 5.5V range operation
  • Tiny footprint: 14.9 x 18.9 x 3.5mm

You can get the 4D Systems micro-DRIVE from many distributors you're already familiar with such as SparkFun, Parallax, and others. No price available at the time this was written.

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