Arduino/RFID-Reader

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Projects
Participants
Skills etching, soldering, tweaking
Status Planning
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: [1]

The fobs we want to read are of the Proxkey IIII variant which operate at 125kHz: [2]

Bill Of Materials

Resistors:

  • 8K
  • 2 x 12K
  • 2 x 100K
  • 220K
  • 1M

Capacitors:

  • 2 x 1nF
  • 7nF
  • 15nF
  • 2 x 100nF

Op-amps:

  • 2 x LM324N

Diodes:

  • 1N914


Coil:

  • 35 turns @ 3.25"D

Further Reading

  • ..
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