Connectors included appreciate it just need simple wires Read more

Only 13mhz rfid, this frequency can be manage from any android phone that support NFC and app nfc tools. Read more

This is a 13.56MHz RFID reader, so first of all check your cards because the older 125kHz is a completely incompatible system. Though the MFRC522 chip has 3 interfaces (SPI, UART, I2C), here the SPI mode is hardwired, so the 'SDA' pin in fact means NSS. There is quite a good quickstart here: https://uc0c9cd294a4fe55929d522701c8.dl.dropboxusercontent.com/cd/0/inline2/Ap8J6qpkMylK6-eT-bFEqzgr3kjQeReDYcAOB-O3_WRcv_b5cPuScaL3JWrz206l8rpV8P14dCqfa0hAmOLWGyE3MLVCQZm8f_n86Qm8I1O_208ElqDi6kpAUXakRhxQjOkP6c3ChuiavDg-t4mn5rQnzkCzi4l9YnzLkhLOtV5tE9O_l72Debneo1-jjgGTILZVBUd0P0IXXBilOZHnw224jwF75bvJiepbDzNUL33TEwJN3XoflcCJj6dLblVCXuMvomlauGBu0SqnwkLJPMMZ7ju1JpmbGX4tWBki7-uaNFHLnmRZnFRgRDnxoH8PChrphGhPSi3rOcxRB9zjI9jJ/file And the full documentation of the chip here: https://www.nxp.com/docs/en/data-sheet/MFRC522.pdf Read more

good Read more

I purchased it for my son. He has been using it for various projects and it has been working great. The kit comes with everything he needs to get started and he was able to set it up easily. he was able to start experimenting with it right away. I like that it is a high quality product that is easy to use and has a lot of potential for different projects. Read more