RFID Reader

Description

This is a prototype of an open source hardware RFID reader.

The firmware is under development and currently has partial support for ISO-14443-3 (A).

A prototype access control system is installed at the kwartzlab makerspace in Kitchener-Waterloo. Members are provided with Mifare DESFire EV1 cards and have 24/7 access.

Features

• 13.56 MHz RFID Protocol Support:
  • ISO-14443A
  • ISO-14443B
  • ISO-15693
  • ISO-18000-3
  • Tag-It
• Communication Interfaces:
  • UART (3.3V/5V)
  • I2C
  • CAN
• Two GPIO pins
• Detachable antenna (U.FL RF connector pads)

Hardware

• NXP LPC11C14 Microcontroller
• TI TRF7960 RFID Transceiver
• Microchip MCP1700 LDO
• Microchip MCP2551 CAN Transceiver

Documentation

Schematic (PDF)

Pictures

• 

  Assembled, top side

• 

  Assembled, bottom side

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