RFID Toys by Amal Graafstra
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RFID Toys contains step by step guides to building various RFID based projects, and stresses the concepts involved as well as the steps themselves.

RFID technologies covered include passive, low frequency 125KHz tags and readers, passive high frequency 13.56MHz, up to active, UHF 900Mhz tags and readers.

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photography

Photo of the Seattle Space Needle being constructed on a dusty lot

Photo of the Seattle Space Needle being constructed on a dusty lot

Friday, May 14th, 2010

This Polaroid was kicking around in a box of photos at my ex-mother-in-law’s house (that’s a lot of dashes!). It shows the Space Needle in the middle of being erected for the 1962 World’s Fair. When I first saw it several years ago, I remember looking at it for a good 15 minutes straight. It’s [...]

Classic security foible at a local Subway sandwich shop

Classic security foible at a local Subway sandwich shop

Friday, October 30th, 2009

As I stood there at the cash register (a PC running POS software), I noticed an upturned napkin with some writing on it. I couldn’t believe that someone (probably the manager) had written down not only the username and password (clearly marked with labels USERNAME and PASSWORD) but also the site those credentials were used [...]

This is how fashion makes ME feel!

Fashion is strange

Thursday, October 29th, 2009

I always thought the fashion industry was quite strange, but this takes the cake. Hmm, maybe I shouldn’t mention food.

Readable field visualized

Visualizing RFID readable fields

Monday, October 12th, 2009

These guys over at Berg London did a really smart thing. They used an ID-20 reader module to kick out a signal to an LED when a tag is read, then put that LED in the center of the tag being read. Then they used some standard photography tricks to capture and superimpose all the [...]

Doogins!

Depth of field makes all the difference

Saturday, April 18th, 2009

Depth of field is the term used to describe the zone in which photographic subjects will be in focus. Anything in front of or behind that zone will be out of focus. You can have a very narrow depth of field to focus on a very specific point on a subject, like this: Or you [...]

As if to prove my point

As if to prove my point

Sunday, November 16th, 2008

As if to prove my point, today I was walking through my kitchen and Jennifer had left one of her magazines on the kitchen island. It caught my eye only because I thought, for a second, I was passing by a picture of Nicole Kidman showing her vajayjay. The left arm placement brings the eye [...]

When irregular is more captivating than “perfect”

When irregular is more captivating than “perfect”

Thursday, November 13th, 2008

There’s nothing I love more than wandering around doing daily tasks when something suddenly strikes me as so strange or odd that I have to stop and look… and hopefully get a laugh out of it too. For instance, I was walking around Target one day and I had just finished up a conversation about [...]

Some of my favorite shots

Some of my favorite shots

Wednesday, October 22nd, 2008

I’ve not been serious about my photography hobby for quite some time, but since I bought my first digital camera back in 1992 (Sony DSC-1 640×480 or 0.3 megapixel max resolution), I’ve taken over 25,000 photos, 5000 or so that have been taken “recently” which still need to be named and sorted. I started sorting [...]

The luckiest shot in the world

The luckiest shot in the world

Sunday, October 12th, 2008

When I was a young teen, I remember going to my first and only estate sale. It was such an odd feeling trudging around some dead dude’s garage, looking at his tools and things. Even now I think how strange it would be if, the week after I kicked off, there would be strangers pilfering [...]

"deposit will be loss" ?

Camera phone finds use

Sunday, August 17th, 2008

I just wanted to say, coming from a digital SLR user like myself, I never thought I would actually have a good use for and appreciate the quality of a camera-phone camera. For the most part, the digital cameras built into mobile phones have, for me, always been relegated to taking stupid snaps of people [...]

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