Difference between revisions of "Arduino/RFID-Reader"

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{{Project
 
{{Project
 
|ProjectSkills=etching, soldering, tweaking
 
|ProjectSkills=etching, soldering, tweaking
|ProjectStatus=Getting parts
+
|ProjectStatus=Dead
 
|ProjectNiche=Electronics
 
|ProjectNiche=Electronics
 
|ProjectPurpose=Use in other project
 
|ProjectPurpose=Use in other project
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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 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.hidglobal.com/main/documents/proxkeyIII_ds_en.pdf proxkeyIII_ds_en.pdf]
+
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)
* <s>2 x</s> 12K
+
* <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:'''
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'''Diodes:'''
 
'''Diodes:'''
* 2 x 1N914
+
* <s>2 x 1N914</s>
  
 
'''Coil:'''
 
'''Coil:'''

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

Further Reading