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@@ -53,6 +53,25 @@ There's an Arduino library that has appropriate code (from [monkeyboard](https:/
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I'm also unclear as to what the current system RFID media uses.
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+---
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+
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+#### UPDATE
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+
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+The [proxmark3](https://github.com/Proxmark/proxmark3) is a general purpose RFID hardware tool that can be used to read and write
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+low frequency (125 kHz - 134 kHz) as well as high frequency (12.57 MHz).
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+The code is under LGPL and I assume the hardware files are under the same or similar license.
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+The hardware files don't have a license on them but I think the proxmark3 is marketed as an open source hardware project so
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+it's probably safe to assume this was the intent.
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+The `proxmark3` is sold in the $250-$300 (as of this writing) but there are clones available at a fraction of the cost ($60-$80) on eBay.
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+The `proxmark3` can read HID class cards so I think it's an ideal candidate to use as a general purpose RFID reader.
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+At the least, this will be a relatively low cost solution that will read a variety of cards that any organization can use.
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+If needed, there is the possibility of using it as a writer, either in the field or offline, for custom RFID tags.
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Display
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---
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