This is a SD card reader module, It has the SPI interface driver to enable SPI communication between the storage card and Arduino, or other microcontroller systems. You can use the built-in SD card library in Arduino IDE to get started with initialization and into read or write program.

Features

• Supports SD, SDHC cards
• Built-in 3.3V regulator
• Operating voltage : 4.5 – 5.5 V
• Operating current : 0.2 – 200 mA
• Uses SPI serial communication
• Module has 4 M2 mounting holes
• Weight : 5 g