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MicroSD card breakout board+

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  • AdaFruit 254 | MicroSD card breakout board+ - Image 1 | Proto-PIC.co.uk
  • AdaFruit 254 | MicroSD card breakout board+ - Image 2 | Proto-PIC.co.uk
£12.85 (inc VAT) £10.71 (exc VAT)
6.0 Grams

0 in stock now, a further 100 can be ordered from supplier which will be here within 10-15 working days

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 Product Description

This breakout board has an on-board 5v-3v regulator, an activity LED, four #2 mounting holes, push-push card socket and 0.1" headers so you can get it on a breadboard or use wires.


  • Onboard 5v->3v regulator provides 150mA for power-hungry cards
  • 3v level shifting means you can use this with ease on either 3v or 5v systems
  • Uses a proper level shifting chip, not resistors: less problems, and faster read/write access
  • Use 3 or 4 digital pins to read and write 2Gb+ of storage!
  • Activity LED lights up when the SD card is being read or written
  • Four #2 mounting holes
  • Push-push socket with card slightly over the edge of the PCB so its easy to insert and remove
  • Comes with 0.1" header (unattached) so you can get it on a breadboard or use wires - your choice
  • Tested and assembled here at the Adafruit factory
  • Works great with Arduino, with tons of example code and wiring diagrams

Dimensions (without 0.1" header):

  • Length:31.85mm/1.25in
  • Width:25.4mm/1.00in
  • Height:3.75mm/0.15in
  • Weight:3.43g/0.12oz

To use with an Arduino, connect GND to ground, 5V to 5V, CLK to pin 13, DO to pin 12, DI to pin 11, and CS to pin 10. Then you can use the wonderful SDfatLib which supports FAT and FAT32 SD cards. For details on getting started, check out our detailed tutorial discusses microSD cards, wiring and how to use this breakout board with an Arduino

 Other Details

Brand and Part Number:
AdaFruit 254 MicroSD card breakout board+

 Product Reviews

  1. Top quality product

    Posted by on

    This worked for me first time. I tried a cheap SD card breakout board from fleebay and and spent days trying to get the thing to work. I always buy branded parts nowadays, once bitten twice shy twice bitten never again.

  2. If you're starting with SD cards - get this and not a bare SD breakout.

    Posted by on

    If you're new to manipulating SD data files, you'll be better off on this. Leave that bare breakout for the micro sd socket by itself alone, and start here.

    The level shifter on this part of the key of making it easy - the activity light is a nice thought and a good indicator for projects without displays. That will help eliminate a lot of variables whilst developing your project. It... just works!

    It's compact, clearly labelled, thoughtfully designed, and you can press your thumb against the card edge and get clear access.

    HOWEVER... The price tag causes me to drop this down to 4 stars. I have a feeling the level shifter IC may be the cause of increase in price, and for £18 you pay, you can buy yourself an SD Card Reader for your PC. Although i have bought this, it has saved me doubting wether my SD Micro Card was working at all.

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