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5th March 2007 01:17 PM #1 
RFID reader and tag ?
Hey.
I am about to make a project at school where it is needed to transmit an ID fra serverel obejcts into my circuit. Ive found out that i could use RFID, but is it possible to buy i kit, which doesent require a computer, And that i can read the ID, maybe in binary? Or should i use something else then RFID?
THank you !
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5th March 2007 02:02 PM #2
You may want to look elsewhere than RFID. I am looking through my Digi-Key catalog at evaluation kits. They are all computer-based, and the least expensive from Texas Instrument is $284.29 (part # 481-1039).
As an alternative, you might think about using IR. Your exernal devices could send coded flashes back in response to a query from the main station. That's lots easier than trying to do RF work.
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5th March 2007 02:46 PM #3
Well it is meant to track when some gocart's are crossing a goalline. So IR would not be very smart because of dirt and so.
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5th March 2007 03:14 PM #4
Parallax sells RFID kits.
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5th March 2007 04:03 PM #5
Would i be able to read out a binary signal from this? :
http://www.parallax.com/detail.asp?product_id=28140
And which tags would work with it.
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5th March 2007 04:33 PM #6
I've heard that the Maxstream zigbee transceivers that you can get for about $25 from Digikey are pretty good. They are actually for sending any info, not just ID and sort of replace an RS232 link with RF which is quite flexible.
Do a search at Digikey's site for "maxstream zigbee" and check out their ready-made modules.
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10th March 2007 05:28 PM #7
ı ve to do rF ıd card reader but ı have no ıdea for it
need some help 
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10th March 2007 11:12 PM #8
Heres a great priced RF tag reader
http://www.hobbyengineering.com/H2177.html
Simple to interface with too
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