Difference between revisions of "Arduino/RFID-Reader"

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(apparently we can read the fobs now)
 
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For use in [[Doorbot]].
 
For use in [[Doorbot]].
  
An rfid reader could be made using an arduino, a simple circuit, and winding our own antenna: [http://arduino.cc/playground/Main/DIYRFIDReader DIYRFIDReader]
+
An rfid reader could be made using an arduino, a simple circuit, and winding our own antenna: [http://arduino.cc/playground/Main/DIYRFIDReader DIYRFIDReader] (Appearently this doesn't work)
  
 
The fobs we want to read are of the Proxkey IIII variant which operate at 125kHz: [http://www.nodaccess.com/media/content/files/proxkeyIII_ds_en.pdf proxkeyIII_ds_en.pdf]
 
The fobs we want to read are of the Proxkey IIII variant which operate at 125kHz: [http://www.nodaccess.com/media/content/files/proxkeyIII_ds_en.pdf proxkeyIII_ds_en.pdf]

Latest revision as of 16:38, 4 January 2014

Projects
Participants
Skills etching, soldering, tweaking
Status Dead
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 (Appearently this doesn't work)

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