This module enables your micro controller with SPI interface (like ATmega / Arduino, for example) to communicate with a micro-SD card.

Please note that a 5V to 3.3V level converter is already on board (SD-Cards will die when connected to 5V power supply or logic levels), also a voltage regulator for 3.3V.

This means, you can use this adapter with any 3.3V or 5V micro controller.

PCB size: 45 x 28mm