RFID 13.56MHz Reader and Writer Module RC522 Chip

RFID cards or tags require a circuit that performs data processing operations suitable for their frequency to be read and record their information. for this purpose, a reader and writer module is used. the rc522 reader and writer kit is capable of working with tags at a frequency of 13.56 megahertz and can establish communication via the uart ttl protocol. the rc522 ic is used for reading and writing non-contact rfid tags at a frequency of 13.56 megahertz. this ic has features that make it suitable for smart and portable devices. among the features of the ic are low voltage startup, low cost, small size, and contactless chip communication for reading and writing card information and data transmission. due to the ease of use and compatibility of this module with arduino boards, it can be utilized in the development of equipment and card readers. this module uses the spi communication protocol for establishing connections. rfid has a wide range of applications that enhance security and provide quick access to information.

1. operating voltage: 3.3 volts
2. operating current: 26 ~ 13 milliamps
3. ideal current: 13 ~ 10 milliamps
4. sleep current: less than 80 microamps
5. maximum allowed current: less than 30 milliamps
6. operating frequency: 13.56 megahertz
7. supported card types: mifare1 s50, mifare1 s70, mifare ultralight, mifare pro, mifare desfire
8. operating temperature: 85+ ~ 20- degrees celsius
9. storage temperature: +85 ~ 40- degrees celsius
10. relative humidity: 95% ~ 5%
11. required reader distance: equal to or more than 50 millimeters
12. module size: 60 × 40 millimeters
13. communication method: spi
14. data transfer rate: up to 10 megabits per second