125 Khz RFID Module RDM630 UART

RDM630 125KHz card reader mini-module is designed for reading code from 125KHz card compatible read-only tags and read/write card . It can be applied in office/home security, personal identification, access control, anti-forgery, interactive toy and production control systems etc.

FEATURES :

  • Support external antenna
  • Maximum effective distance up to 150mm
  • Less than 100ms decoding time
  • Wiegand interface
  • Support EM4100 compatible read only or read/write tags
  • Built-in external bi-color LED and buzzer driver
  • Small outline design

Datasheet here.

Sample code for Arduino

Note: Module will notify whenever 125khz tag approaches, tag serial number will be send via IO pin and save UART port for MCU. Either interupt or polling mode is OK to read the ID, Arduino library pending.

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Posted on September 13, 2011, in Electronic Censor. Bookmark the permalink. Leave a comment.

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