Difference between revisions of "Arduino/RFID-Reader"
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==Bill Of Materials== | ==Bill Of Materials== | ||
'''Resistors:''' | '''Resistors:''' | ||
| − | * 8K | + | * <s>8K</s> (8k2 or 4k7+3k3) |
| − | * <s>2 x</s> | + | * <s>2 x 12K</s> |
* <s>2 x 100K</s> | * <s>2 x 100K</s> | ||
* <s>220K</s> | * <s>220K</s> | ||
| − | * 1M | + | * <s>1M</s> |
'''Capacitors:''' | '''Capacitors:''' | ||
* <s>2 x 1nF</s> | * <s>2 x 1nF</s> | ||
| − | * 7nF | + | * <s>7nF</s> (6.8) |
* <s>15nF</s> | * <s>15nF</s> | ||
| − | * 2 x 100nF | + | * <s>2 x 100nF</s> |
'''Op-amps:''' | '''Op-amps:''' | ||
| Line 29: | Line 29: | ||
'''Diodes:''' | '''Diodes:''' | ||
| − | * 2 x 1N914 | + | * <s>2 x 1N914</s> |
'''Coil:''' | '''Coil:''' | ||
Revision as of 22:05, 6 February 2013
| Projects | |
|---|---|
| Participants | |
| Skills | etching, soldering, tweaking |
| Status | Getting parts |
| 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
