Difference between revisions of "Arduino/RFID-Reader"
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{{Project | {{Project | ||
|ProjectSkills=etching, soldering, tweaking | |ProjectSkills=etching, soldering, tweaking | ||
| − | |ProjectStatus= | + | |ProjectStatus=Dead |
|ProjectNiche=Electronics | |ProjectNiche=Electronics | ||
|ProjectPurpose=Use in other project | |ProjectPurpose=Use in other project | ||
| Line 7: | Line 7: | ||
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] | + | 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. | + | 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== | ||
'''Resistors:''' | '''Resistors:''' | ||
| − | * 8K | + | * <s>8K</s> (8k2 or 4k7+3k3) |
| − | * 2 x 12K | + | * <s>2 x 12K</s> |
| − | * 2 x 100K | + | * <s>2 x 100K</s> |
| − | * 220K | + | * <s>220K</s> |
| − | * 1M | + | * <s>1M</s> |
'''Capacitors:''' | '''Capacitors:''' | ||
| − | * 2 x 1nF | + | * <s>2 x 1nF</s> |
| − | * 7nF | + | * <s>7nF</s> (6.8) |
| − | * 15nF | + | * <s>15nF</s> |
| − | * 2 x 100nF | + | * <s>2 x 100nF</s> |
'''Op-amps:''' | '''Op-amps:''' | ||
| − | * 2 x LM324N | + | * <s>2 x LM324N</s> (LM324NE3 sampled) |
'''Diodes:''' | '''Diodes:''' | ||
| − | * 1N914 | + | * <s>2 x 1N914</s> |
| − | |||
'''Coil:''' | '''Coil:''' | ||
* 35 turns @ 3.25"D | * 35 turns @ 3.25"D | ||
| + | |||
==Further Reading== | ==Further Reading== | ||
| − | + | * [http://cq.cx/prox.pl cq.cx/prox.pl] | |
| − | * .. | ||
[[Category:Arduino]] | [[Category:Arduino]] | ||
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
