Micro-SD Memory Card Adapter for Arduino with 3.3V-5V converter

C$2.99

Availability: In stock (can be backordered)

3 - 9 C$2.69
10 - 24 C$2.54
25 + C$2.45
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GTIN: 4260474036035 SKU: 26603 Categories: , , Tag:

Overview

The Memory Card Adapter for Arduino is a microSD memory card interface board designed for use with microcontroller platforms such as Arduino, ESP32, and similar embedded systems. The adapter provides a standard microSD card socket and includes a 3.3 V voltage regulator and level shifter circuitry to allow direct interfacing with both 3.3 V and 5 V logic systems.

The adapter simplifies reading from and writing to microSD memory cards, enabling data logging, file storage, and media access without external voltage translation components. The board’s pin-compatible interface supports standard SPI communication, making it suitable for a wide range of embedded applications.

Key Features

• Memory Card Adapter for Arduino and other microcontroller platforms
• Compatible with microSD and microSDHC memory cards
• Integrated 3.3 V regulator for powering the card from a higher supply
• Logic level shifting for 3.3 V and 5 V host interfaces
• SPI interface signals broken out for direct connection
• Standard pin header format for easy integration
• Suitable for data logging, file storage, and embedded media access

Electrical and Usage Notes

• microSD cards require 3.3 V operation; the adapter regulates and shifts levels accordingly
• Ensure a stable supply voltage within the adapter’s rated input range
• SPI mode must be configured on the host microcontroller for card communication
• Proper power sequencing is recommended to avoid card detection errors
• Large cards (microSDHC, microSDXC) may require formatting compatible with the host file system and library
• The adapter does not provide card protection against electrostatic discharge; handle cards and board appropriately

Typical Applications

• Data logging for sensors and environmental monitoring
• File storage for embedded systems
• Multimedia and audio recording projects
• Logging GPS coordinates, timestamps, and system states
• Educational development and prototyping environments

Specifications

Card Interface microSD/microSDHC socket
Host Interface SPI (Serial Peripheral Interface)
Logic Voltage Support 3.3 V and 5 V logic systems
On-Board Voltage Regulation 3.3 V regulator for card operation
Level Shifting Included for logic compatibility
Pin Header Format Standard 2.54 mm spacing
Supported Card Types microSD, microSDHC (file system support dependent on host)

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