Arduino/RFID-Reader: Difference between revisions
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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 17:38, 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 12K2 x 100K220K1M
Capacitors:
2 x 1nF7nF(6.8)15nF2 x 100nF
Op-amps:
2 x LM324N(LM324NE3 sampled)
Diodes:
2 x 1N914
Coil:
- 35 turns @ 3.25"D