rfid32

Lua (NodeMCU) library for interfacing ESP32 with MFRC522 rfid card reader

Demo

Usage

This example will print UID (in hexadecimal representation) of scanned rfid tag.

  require('rfid32')({
        pin_sda  = 22,
        pin_clk  = 19,
        pin_miso = 25,
        pin_mosi = 23
    })
    .init()
    .scan({
        got_tag = function(tag, rfid)
            print( tag.hex() )
        end
    })

Dependencies

The library depends on the following NodeMCU modules:

• spi
• bit
• tmr