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RFID Pet Door

RFID Pet Door. EE 494, Fall 2006. Andrew Parr Conner Rocole Ben Peetz Eric Sturm. Introduction. To design and build an automated system to regulate and monitor a pet’s movement into and out off a structure with minimal human intervention. Requirements. Reliability Simple User Interface

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RFID Pet Door

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  1. RFID Pet Door EE 494, Fall 2006 Andrew Parr Conner Rocole Ben Peetz Eric Sturm

  2. Introduction To design and build an automated system to regulate and monitor a pet’s movement into and out off a structure with minimal human intervention.

  3. Requirements • Reliability • Simple User Interface • Safe for the Pet • Scalable

  4. Implementation An RFID tag attached to a pet’s collar will be read by a scanner when the pet is in the proximity of the door. If the scanned pet has been programmed by the user to have access to the door, the Pet Door will then unlock. This will allow the pet to open the door and pass through it. Once the door returns to a rest position, the door will be locked until another approved pet is scanned. The system will operate in three basic modes. • Run • Locked • Enter Only • Exit Only • Enter or Exit • Manual • Program

  5. Project Overview

  6. Project Components • Microcontroller – Atmel AVR • Antenna – 134kHz • RFID Reader – Atmel Reader IC • Door/Lock - Solenoid • User Interface – LCD, 4 buttons • Power Section – Wall and Battery • Board Layout – Professional PCB

  7. Mini-Project 1Microcontroller Functionality • Demonstration Requirements: The microcontroller should recognize the input from a press button switch and illuminate an LED when the button is pressed. • Tasks to be performed: Develop the C code necessary to initialize the microcontroller to accept inputs and respond accordingly to them. • Necessary Equipment: Atmel Atmega16 microcontroller, Evaluation board, LED, Press button switch. • Approximated Time Table: 2 weeks • Team Members: Andrew, Conner

  8. Mini-Project 2Antenna Construction • Demonstration Requirements: The antenna should transmit a signal at 134 KHz that is viewable on a spectrum analyzer. • Tasks to be performed: Construct a 47H antenna with a Q factor less than 20. • Necessary Equipment: Copper wire, Tape, Spiroband, Screened antenna lead. • Approximated Time Table: 2 weeks • Team Members: Eric, Ben

  9. Mini-Project 3RFID Reader Functionality • Requirements: The RFID unit should generate an output signal that is viewable on an oscilloscope when a tag is read. • Tasks to be performed: Become familiar with RFID reader so that it can recognize and RFID tag. • Necessary Equipment : RFID reader, bread board, antenna, RFID tags • Approximated Time Table: 3 weeks • Team Members: Eric, Ben

  10. Mini-Project 4RFID Unit / Micro Communication • Requirements: The microcontroller should illuminate an LED when the RFID reader scans a valid tag. • Tasks to be performed: Develop an interface between the RFID reader and the microcontroller. • Necessary Equipment: RFID reader, RFID tags, microcontroller, and evaluation board. • Approximated Time Table: 3 weeks • Team Members: Everyone

  11. Mini-Project 5Microcontroller User Interface • Demonstration Requirements: The microcontroller should output a visual display to the user on a LCD screen. • Tasks to be performed: Develop code to enable microcontroller to display characters on a LCD screen. • Necessary Equipment: Microcontroller, Evaluation board, LCD screen. • Approximated Time Table: 2 weeks • Team Members: Andrew, Conner

  12. Expenses ATMEL STK500 Development Board $108.00 TI 2000 Micro RFID Reader 134.2K $64.00 TI RFID Card Transponder $15.06 Atmel ATmega16 Microcontrollers $13.12 Philips IC RFID HITAG Reader $5.50

  13. Project Timeline

  14. Current Status • Mini-Projects 1 and 2 are complete • Mini-Project 3 is in progress • Mini-Projects 4 and 5 are scheduled to begin in 1-2 weeks

  15. Q & A ?

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