Difference between revisions of "RFID"

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*1 2N2222
 
*1 2N2222
 
*2 TL084
 
*2 TL084
 +
{{projects}}

Latest revision as of 16:27, 17 August 2011

Intro

This is where Toby is keeping track of his RFID investigations:

References

There's a good simple explanation how RFID works at the bottom of this page:

http://www.scienceprog.com/how-does-rfid-tag-technology-works/

More technical detail:

http://www.rfid-handbook.de/rfid/types_of_rfid.html

A 125khz reader reference design from Microchip:

http://ww1.microchip.com/downloads/en/DeviceDoc/51115F.pdf

Some guys from cornell who designed an RFID reader, handy links and design notes:

http://instruct1.cit.cornell.edu/courses/ee476/FinalProjects/s2006/cjr37/Website/index.htm

This looks _really_ interesting:

http://code.google.com/p/rfid-reader/wiki/HardwareDesign

James also pointed me towards this:

http://translate.google.com/translate?hl=en&sl=it&u=http://ficara.altervista.org/atmel_avr.php

Parts list

Caps

Elect

  • 1 100 uF 25v
  • 2 10 uF 16v

Other

  • 2 22pF
  • 1 1800pF
  • 1 6200pF
  • 6 1000pF
  • 1 2200pF

Resistors

  • 1 330
  • 2 1m
  • 1 82
  • 1 12k
  • 1 100
  • 1 22k
  • 1 470
  • 2 10
  • 1 390k
  • 1 1.82k 1%
  • 1 6.67k 1%
  • 1 47.5k 1%
  • 1 82.5k 1%

Inductors

  • 1 1000 uH


IC/Semis

  • 1 LM78L05A/T092
  • 1 LM78M12/T092
  • 1 74HC4060
  • 1 4MHz xtal
  • 2 1N4148
  • 1 1N4936
  • 2 2N2907
  • 1 2N2222
  • 2 TL084