SD Card Reader Module for Arduino ESP32 ESP8266 SPI Interface

SD Card Reader Module – SPI Interface for Arduino & Microcontrollers

Add mass storage capability to your microcontroller projects with this compact SD Card Reader Module. Using the standard SPI interface, this module allows your Arduino, ESP32, ESP8266, STM32, or Raspberry Pi to read and write data to standard SD and micro SD cards — perfect for data logging, audio playback, file storage, and more.

Why You'll Love It

• Standard SPI interface — easy integration with virtually any microcontroller
• Supports SD & SDHC cards — up to 32GB storage capacity
• 3.3V onboard regulator — safely interfaces with 5V microcontrollers
• Level shifting circuit — protects SD card from 5V logic damage
• Compatible with Arduino SD library — minimal code to get started
• Compact design — ideal for space-constrained builds

Specifications

• Interface: SPI
• Supply Voltage: 3.3V – 5V
• Supported Cards: SD, SDHC (up to 32GB)
• Logic Level: 3.3V (with 5V compatible inputs)
• File System: FAT16 / FAT32
• Pins: GND, VCC, MISO, MOSI, SCK, CS
• Dimensions: ~42mm x 24mm

Perfect For

• Data logging (temperature, GPS, sensor data)
• Audio playback with Arduino
• Configuration file storage for IoT devices
• Image & bitmap display projects
• Black box / event recorder projects

Compatible with Arduino SD and SdFat libraries. SD card not included. Jumper wires recommended for connections.