The module communicates over UART or I2C with simple protocols. It also has 2 general purpose inputs and 2 general purpose outputs for switches, relays, etc.
Also the set includes a complimentary RFID Key Chain and a card for testing purpose!
The SMB130 is a 28 pin DIP module that includes all necessary components for a 13.56 MHz RFID Mifare, aside from a PCB antenna.
Out of stock