Arduino/RFID-Reader

From Technologia Incognita
Revision as of 22:05, 6 February 2013 by Dreamer (talk | contribs) (Bill Of Materials: - BOM almost complete! \o/)
Jump to: navigation, search
Projects
Participants
Skills etching, soldering, tweaking
Status Getting parts
Niche Electronics
Purpose Use in other project

For use in Doorbot.

An rfid reader could be made using an arduino, a simple circuit, and winding our own antenna: DIYRFIDReader

The fobs we want to read are of the Proxkey IIII variant which operate at 125kHz: proxkeyIII_ds_en.pdf

Bill Of Materials

Resistors:

  • 8K (8k2 or 4k7+3k3)
  • 2 x 12K
  • 2 x 100K
  • 220K
  • 1M

Capacitors:

  • 2 x 1nF
  • 7nF (6.8)
  • 15nF
  • 2 x 100nF

Op-amps:

  • 2 x LM324N (LM324NE3 sampled)

Diodes:

  • 2 x 1N914

Coil:

  • 35 turns @ 3.25"D

Further Reading