Difference between revisions of "Arduino/RFID-Reader"
m (BOM is basically met. Only a good coil needs to be made and the circuit triple-double-checked. Justa and I occasionally poke at it to see if we get anywhere with it.) |
m (chaneg pdf to mirror) |
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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] | ||
| − | The fobs we want to read are of the Proxkey IIII variant which operate at 125kHz: [http://www. | + | 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] |
==Bill Of Materials== | ==Bill Of Materials== | ||
Revision as of 16:43, 15 March 2013
| Projects | |
|---|---|
| Participants | |
| Skills | etching, soldering, tweaking |
| Status | Active |
| 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
