Doh uses RFID and Arduino that will help you remember your wallet, continues lookup the ‘Any Key’

In case you can dream it, Arduino mean you can build it — perhaps with a touch of MakerBot thrown in for good measure. The newest homebrew project to hit the ol’ inbox sounds an alarm if you leave a room with out a registered item. Doh (named in Homer Simpson’s honor, we presume), uses a trio of devices to trace items which you usually travel with, like your keys or a cellphone. After you’ve assembled the rather complex contraption, you affix color-coded RFID tags on your gadgets, before registering them with the Arduino-based host. In case you leave the room without all the items that you’ve got registered as a “grouping,” a door handle-mounted display will indicate what’s missing by flashing its color and sounding an alarm. If you’ve forgotten multiple items, the display will cycle throughout the associated colors. There’s also a two-way “buzzing tag” that beeps until it’s found, if you want to add that on your collection. It isn’t a turnkey solution whatsoever, but unlike Homer, at the least you are not being tasked with preventing nuclear meltdown. And if you are searching for a time-proven alternative, a pen and a pad of stickies should do. Jump past the break for a demo video, banjo-equipped soundtrack and all.

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This post is tagged: contraption, good-measure-, homebrew project, homer simpson, nuclear meltdown, turnkey solution