RFID as Fast As Possible
Techquickie
·Techquickie
·2016-05-06
·
1,047 words · ~5 min read
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by now most of us are used to the idea of doing stuff without actually having
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to touch anything and while this sadly doesn't work in all public bathrooms
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it's become commonplace to do all sorts of stuff like unlocking hotel rooms
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traveling on subways entering our cars and buying overpriced merch at theme
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parks just by tapping something or being
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near it but this is not Harry Potter style magic folks it is all thanks to a
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technology called RFID little chips that somehow make
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everything smart at least according to someone's marketing department somewhere
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but how does RFID even work I mean it's just a tiny chip thing embedded inside a
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card right where's the battery well most
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RFID chips called Tags not that kind of tags actually
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don't need a battery mind blown right because they draw power from whatever
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happens to be reading them run-of-the-mill RFID tags and credit
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cards and wristbands are classified as passive and only consist of a tiny
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antenna an embedded CPU to process radio
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waves and a small amount of data storage
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they're small and low power enough to just grab energy from a powered chip
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reader making them convenient enough to use just about anywhere wait a second
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lonus anywhere are we going to start seeing terabyte sized RFID tags that can
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replace my trusty mechanical hard drive
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well no to keep power consumption low enough that they can be powered by radio
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waves and to keep costs down so we can
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put them everywhere RFID tags hold only a few kilobytes of data which is fine
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because in today's connected world you don't need more than a few kilobytes of
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storage for the RFID chip to be an incredibly useful tool no but really
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though along with the useful things that can be done with a few kilobytes uh
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paperless ticketing for events and Apple pay which you NFC a two-way short range
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form of RFID come to mind thanks to many
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RFID readers like your cell phone for example having their own network
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connections RFID chips are often simply used as pointers to more information or
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more complex functionality somewhere else cool right entertainment venues
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offer RFID kiosks to Auto checkin on
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Facebook or Auto tweet that you're too lazy to take your phone out of your
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pocket cars have RFID tags that can help you recover them if someone decides to
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jack your ride casinos have RFID chips in their chips to help people from
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pulling in Oceans 11 and you can even have a tag attached to your dog to find
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him if he decides to run away because you spent all night playing Counter-Strike and forgot to feed the
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poor soul and because RFID is such a
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customizable technology many uses for it
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have most likely not even been fully realized yet I mean imagine RFID tags
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replacing barcodes on everything you purchase so you can just walk out of the
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store with all your new stuff and an RFID scanner will read your tagged end
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credit card to automatically bill you no checkout lines required mind blown again
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right I mean there's even a number of projects around smart dust RFID
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transmitters about a cubic millimeter in size that could do everything from
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Analyze traffic patterns after being mixed into asphalt to keeping tabs on
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your stuff whenever it's taken out of your home so you know it's been stolen
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to flowing through your bloodstream to monitor the state of your health I mean
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whoa hold on a second there lonus let's just back this up what if I don't want
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to eat RFID pixie dust or have every single thing I buy track that sounds
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like some kind of 1984 Nightmare and
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yeah I hear that guys we actually have some tough questions to answer as a
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society about how much privacy we want to trade for Automation and convenience
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which is the downside of RFID technology
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and where it's heading right now unless of course you're into being
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bam so that's pretty much it guys thanks for watching like the video if you liked
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