Difference between revisions of "Arduino/RFID-Reader"
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'''Op-amps:''' | '''Op-amps:''' | ||
| − | * 2 x LM324N | + | * <s>2 x LM324N</s> (LM324NE3 sampled) |
'''Diodes:''' | '''Diodes:''' | ||
Revision as of 15:05, 25 January 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
-
2 x12K -
2 x 100K -
220K - 1M
Capacitors:
-
2 x 1nF - 7nF
-
15nF - 2 x 100nF
Op-amps:
-
2 x LM324N(LM324NE3 sampled)
Diodes:
- 2 x 1N914
Coil:
- 35 turns @ 3.25"D
