Difference between revisions of "Arduino/RFID-Reader"
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'''Diodes:''' | '''Diodes:''' | ||
* 1N914 | * 1N914 | ||
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'''Coil:''' | '''Coil:''' | ||
* 35 turns @ 3.25"D | * 35 turns @ 3.25"D | ||
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==Further Reading== | ==Further Reading== | ||
| − | + | * [http://cq.cx/prox.pl] | |
| − | * .. | ||
[[Category:Arduino]] | [[Category:Arduino]] | ||
Revision as of 20:40, 7 November 2012
| 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
