Obscure Object of Desire: Heat-Seeking NERF Vulcan

The genesis of inventor Rick Prescott’s infrared seeking Sentinel (a.k.a. “Dilbert’s Revenge”) from the man himself, via makezine.com:

An idea sparked in my mind one day while walking the toy gun isle in a store with my kid and later that evening learning of the workings of a thermopile array while surfing the internet. The result is this infrared seeking sentinel which joins a realistically priced infrared sensor to a realistically operatable Nerf® machine gun to create a slightly less deadly yet still highly deterring automated machine. Personally I have grand plans to deploy the infrared seeking sentinel facing the entrance of my work cubical in order to speed interaction with less desirable visitors.

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