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README.md

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rdm6300

A simple library to interface with RDM6300 RFID reader.

Features

  • Fast and single tag reading, even if it held near the antenna for a while.
  • Using a single given GPIO pin or a Stream.
  • Can tell if the tag is still near the antenna.
  • Both hardware and software uart (serial) support on esp8266.
  • SAMD hardware uart (serial) support.
  • Both SoftwareSerial and AltSoftSerial support.

Getting Started

Hardware

  • RDM6300 module with matching antenna.
  • 125KHz RFID tags.
  • Microcontroller (arduino, esp8266, esp32...).

rdm6300_connections

Software

A simple RFID tag reader with textual serial output: examples/read_to_serial/read_to_serial.ino

API

  • void begin(Stream *stream) - Initialize instance to read from a given stream.
  • void begin(int rx_pin, uint8_t uart_nr=1) - Initialize instance to read from a given pin.
  • void set_tag_timeout(uint32_t tag_timeout_ms) - sets the tag "valid" timeout, (300ms default)
    RDM6300 sends packet every 65ms when tag is near- better higher values for debouncing.
  • uint32_t get_tag_id() - Returns the tag_id as long as it is near, 0 otherwise.
  • uint32_t get_new_tag_id() - Returns the tag_id of a "new" near tag,
    following calls will return 0 as long as the same tag is kept near.
  • bool update() - Updates the internal values must be called repeatedly! deprecated!
  • bool is_tag_near() - Returns whether a tag is held near. deprecated! use get_tag_id().

Enjoy!

A.E.TECH