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FPGA RFID Utility Miles Dai, Hannah Field

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Page 1: FPGA RFID Utilit y

FPGA RFID UtilityMiles Dai, Hannah Field

Page 2: FPGA RFID Utilit y

RFID Crash Course

Page 3: FPGA RFID Utilit y

RFID Crash Course

Page 4: FPGA RFID Utilit y

Data Transmission

Page 5: FPGA RFID Utilit y

Project Overview

Create a multipurpose RFID tool● Read cards● Spoof cards

Stretch Goal● Program blank cards● Increase portability

Page 6: FPGA RFID Utilit y

High Level Block Diagram

https://www.draw.io/?page-id=C5psktXE3zIej_kfm42_&scale=auto#G15jMkwIImGHdfrBFrlgeCOdm2bFcsUPGA
Page 7: FPGA RFID Utilit y

1: Generate 125 kHz signal

https://www.draw.io/?page-id=ifrjQ3MHicNKGmOytTew&scale=auto#G19oYgpq0D2umKzIH1_rG45i9mlJzAIb6U
Page 8: FPGA RFID Utilit y

2: Read bits from RFID signal

https://www.draw.io/?page-id=1IwwuAo26yQsrCX8FXCC&scale=auto#G1QvTyYhBYhPrbbsgxlnNH_tK7z24V-QBu
Page 9: FPGA RFID Utilit y

2: Decode FSM

https://www.draw.io/?page-id=pSpiH17lK-wv8OEIIT1W&scale=auto#G19RbM2lGfsY34SFDFpXsRCJD4kreWnk0J
Page 10: FPGA RFID Utilit y

3: Generate spoofed signal

https://www.draw.io/?page-id=ZczYAq5rQMwy8t4_8R97&scale=auto#G1MZ9RpUBBcbfso5gongFEBh1KRee4IfPY
Page 11: FPGA RFID Utilit y

3: Spoofing FSM

https://www.draw.io/?page-id=epfxyfhGHEc8Cu6fPoHP&scale=auto#G15q_N1aVm0D7oAX92K1UGC_O1Ywf2hHcZ
Page 12: FPGA RFID Utilit y

Timeline

Sat 11/9 Analog frontend prototypeRead raw bits from card

Sat 11/16 Add ability to store ID numbersBasic BPSK signal generation

Sat 11/23 Open a card-access controlled doorSat 11/30 Stretch Goal: Generate signals to write blank ID cardsSat 12/7 Stretch Goal: Increase portability and final touches


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