Micro SD Card Reader Module with Level Converter SPI Interface

5.0 Β· 38 reviews
Price range: $3.10 through $3.26
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Compact Micro SD card reader module featuring SPI interface and level conversion for 5V/3.3V systems.

  • Supports Micro SD and Micro SDHC cards
  • Integrated 3.3V voltage regulator and level shifting
  • Easy installation with 4 M2 screw holes
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Estimated Delivery Time3–7 business days

Modular Design for Easy Integration

This Micro SD Card Reader Module offers seamless SPI interface connectivity and is ideal for Arduino and DIY electronics projects. Its compact design with standard SPI pins (MISO, MOSI, SCK, CS) simplifies interfacing with microcontrollers.

Reliable Voltage Level Conversion

Equipped with a level converter chip and a built-in 3.3V LDO voltage regulator, the module supports both 5V and 3.3V MCU systems. This ensures signal compatibility and stable power supply to the Micro SD card.

  • Supports 5V/3.3V logic signal levels
  • Stable 3.3V power for Micro SD card
  • Level shifting on SPI signals for compatibility

Supports Multiple Card Types

Compatible with Micro SD, Micro SDHC (high speed), and Mini SD cards (select variants). This flexibility suits different storage needs and project requirements.

  • Micro SD and Micro SDHC card support
  • Mini SD card variant with pop-up interface

Durable Mounting and Convenient Usage

Incorporates four M2 screw holes for secure installation in projects. The card slot features a self-locking design for easy insertion and removal.

  • 4 M2 screw holes (2.2mm diameter) for mounting
  • The Micro SD card slot supports simple card insertion/removal

Key Specifications

  • Operating voltage: 4.5V to 5.5V input
  • Onboard 3.3V LDO voltage regulator
  • SPI communication interface
  • Board size (Mini SD variant): 17.9 mm x 17.9 mm

What's in the box

  • Micro SD Card Reader Module with Level Converter SPI Interface
Product FAQ

Frequently asked questions

01 What types of cards does this module support?

It supports Micro SD cards, including Micro SDHC high-speed cards, and Mini SD cards in corresponding variants.

02 What is the operating voltage range for this module?

The module operates from 4.5V to 5.5V and includes a 3.3V voltage regulator for the Micro SD card supply.

03 Which interface does the module use to communicate with microcontrollers?

It uses a standard SPI (Serial Peripheral Interface) with pins for MOSI, MISO, SCK, and CS signals.

04 Does the module handle voltage level conversion?

Yes, it features a level converter chip to shift signals between 5V and 3.3V levels, ensuring compatibility with various MCU systems.

05 How do I connect the module to my microcontroller?

The module provides six pins: GND, VCC (power), MISO, MOSI, SCK (SPI bus), and CS (chip select) for direct connection.

06 Is the module easy to mount in DIY projects?

Yes, it includes four M2 screw holes (2.2mm diameter) for secure and easy installation.

07 Does the module require additional libraries or drivers?

You can use the IDE's built-in SD card library to initialize and read/write data with the Micro SD card on this module.

08 Can this module be used for MP3 playback projects?

Yes, it can be used with MCU or ARM systems to manage SD card storage, suitable for applications like MP3 player projects.

09 What are the physical dimensions of the module?

The mini SD card variant board measures approximately 17.9 mm x 17.9 mm.

10 Does this module provide an onboard voltage regulator?

Yes, it includes an LDO regulator providing a stable 3.3V supply for the Micro SD card.

Categories
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Weightβ€”
AvailabilityIn stock
SKUGA_123129

Discussion

5.0
Based on 38 reviews
Rating
AliExpress Shopper August 14, 2026 β˜… β˜… β˜… β˜… β˜…

Received as in the picture.

D***K August 6, 2026 β˜… β˜… β˜… β˜… β˜…

As described, fast delivery

AliExpress Shopper August 2, 2026 β˜… β˜… β˜… β˜… β˜…

Excellent product. I recommend it to everyone.

AliExpress Shopper July 23, 2026 β˜… β˜… β˜… β˜… β˜…

Module is very compact and good quality, it has 2 capacitors which is very good for signal. there are 2 ridges on the corner which are very sharp. keep in mind that the "mini sd card" option is a tf/ micro sd slot. arrived in 2 weeks, recommended.

AliExpress Shopper July 15, 2026 β˜… β˜… β˜… β˜… β˜…

Module functioning perfectly.
Good quality.