Introduction - If you have any usage issues, please Google them yourself
MF RC522 is applied to the 13.56 MHz contactless communication card series chip, a member of the high level of integration, speaking, reading and writing. Is based on three tables NXP company launched a low voltage, low cost, small volume of card chip, non-contact, speaking, reading and writing is intelligent instrument and a portable handheld equipment research and development of a good choice [