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RFID Card Reader Board, 125kHz EM4100 Compatible, USB Interface US$49.99

RFID Card Reader Board, 125kHz EM4100 Compatible, USB Interface

This RFID Reader Module, designed by Grand Idea Studio and Parallax, is a low-cost solution for reading 125 kHz passive (read-only) RFID transponder tags. The RFID Reader Module can be used in a wide variety of hobbyist and commercial applications, including access control, automatic identification, robotics, navigation, inventory tracking, payment systems, and car immobilization.

The Parallax RFID Card Reader USB version can be connected directly to any PC, Macintosh, or Linux machine that has a USB port and the appropriate drivers installed. The module is powered from the host computer's USB port and uses an industry-standard FTDI FT232R device to provide the USB connectivity.

When the Parallax RFID Card Reader is connected to the host computer, it will appear as a Virtual COM port and will have a COM port number automatically assigned to it. This COM port can be accessed by any software application, programming language, or interface that provides COM port connectivity and will allow you to read the data stream transmitted by the module.

When the RFID Card Reader is active and a valid RFID transponder tag is placed within range of the activated reader, the tag's unique ID will be transmitted as a 12-byte printable ASCII string serially to the host (first byte is Line Feed; last byte is Carriage Return).

USB RFID Card Reader Features

  • Reads 125 kHz passive RFID transponder tags in the EM4100 family
  • Power: 5V via USB
  • 2400-baud serial interface via virtual COM port
  • Enabled via DTR line
  • Bi-color LED for visual indication of activity
  • Dimensions: 2.45 3.25 (62.2 82.5 mm)
  • Operating temperature range: 32 to 158 F (0 to 70 C)

The RFID Card Reader does not come with any RFID tags. Compatible tags can be ordered from the Optional Recommended Products list below.

For an easier interface to a microcontroller, you might prefer the Serial version of this reader which has four header pins.

USB RFID Card Reader Resources

Optional Recommended Products for this Item
RFID Clamshell Card Tag, 125kHz, EM4102 Read-only+ US$0.72
RFID ISO Card Tag, 125kHz, EM4102 Read-only+ US$0.72
RFID Keyfob Tag, 125kHz, EM4102 Read-only+ US$0.72
RFID Watch Tag, 125kHz, EM4102 Read-only+ US$1.89
USB 2.0 Cable, 6ft. A-Male / Mini-USB (5-pin) B-Male+ US$6.00

This product was added to our catalog on Thursday 28 February, 2013.


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