SparkFun
SparkFun MicroSD Breakout Board with SPI Interface
Best storage solution for electronics hobbyists building data-logging projects.
Expand your project's storage capabilities with the SparkFun MicroSD Breakout Board. This fully assembled and tested board is designed for easy integration into your electronics projects, utilizing the standard SPI interface for seamless data transfer. Its compact form factor makes it ideal for space-constrained applications, such as mobile phone storage or MP3 playback systems. Get started quickly by simply connecting the board and begin reading or writing data to a MicroSD card right out of the box, saving you valuable development time.
$35.52
Owner Satisfaction
4.6
/ 5
Category Rank
407
/ 1543
#407 in Development Boards
Price vs Category Average
-59%
Below average
Interface
SPI
/ SPI
Who it's for
- Developers needing quick integration with standard microcontroller libraries
- Prototypers building circuits on standard breadboards
- Makers connecting 3.3V storage to 5V logic systems
Who should skip it
- Engineers working with pin-constrained microcontrollers
- Users requiring high-speed data streaming or logging
- Beginners seeking plug-and-play data logging solutions
Performance breakdown
Integration Simplicity
Standard SPI interface ensures effortless setup with most microcontrollers.
Form Factor
Compact footprint fits perfectly into space-constrained DIY electronics projects.
Build Reliability
Fully assembled and tested board minimizes common hardware failure points.
Data Throughput
SPI communication is reliable but limited by standard serial bus speeds.
Project Versatility
Ideal for data logging and portable media storage applications.
Component Accessibility
Straightforward pinout makes prototyping accessible for beginners and pros alike.
Key Specs
Interface
SPI
Storage Type Supported
MicroSD
Assembly
Fully assembled and tested
Form Factor
Compact
Weight
900g (Note: This value may be erroneous)
Package Contents
Breakout board only
Number of Slots
1.0
Supported Card Types
MicroSD
Features
- SPI interface for standard SD card communication
- Compact design fits in tight spaces
- Fully assembled and ready for immediate use
- Adds MicroSD card storage to your projects
- Ideal for data logging applications
- Easy integration into electronic designs
- Supports MicroSD card expansion
What customers say
This MicroSD Breakout Board earns high praise for its exceptional reliability and ease of integration. Users consistently find the standard SPI interface makes connecting to microcontrollers like Arduino smooth and straightforward. Its compact size is a major benefit for space constrained projects. The core strength lies in its dependable performance; data integrity and connectivity remain solid once set up correctly, establishing it as a robust tool for prototyping. While beginners might face a small initial hurdle understanding the required 3.3V level shifting for 5V systems, the overall positive sentiment is driven by consistent functionality and excellent supporting documentation. It is a trusted staple for data storage needs.
Know before you buy
No, the board comes fully assembled and tested. You can connect it directly to your project using the provided pins.
This board uses the standard SPI interface, which is widely supported by most microcontrollers like Arduino and ESP32.
No, this board features a single slot and does not support simultaneous card reading.
This board is specifically designed for MicroSD cards. Standard-sized SD cards will not fit in the slot.
No, there is no integrated LED indicator on this board. You will need to monitor data transfer status through your microcontroller's code.
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$36