SD card reader

[Hari Prasaath K]

Hi,

You can perform read and write operation on the sd card using arduino. For that you have to connect the sd card with arduino using SPI protocal. The link below will help u about interfacing……

http://www.engineersgarage.com/embedded/arduino/how-to-interface-sd-card-with-arduino-project-circuit

NOTE: make clear info Whether you want to know about rfid interfacing or it some feature in reading from sd card