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Olfactory sensors,[1] also called smell receptors,[2] were a type of sensors that provided droids with an artificial sense of smell. Cybot Galactica's 3PO units were equipped with such sensors,[1] and so were the KX-series security droids built by Arakyd Industries.[3]

Behind the scenesEdit

Olfactory sensors for droids were first mentioned in the reference book Star Wars: Droid Factory.[1] However, according to Return of the Jedi: Beware the Power of the Dark Side!, droids do not have the ability to smell, but can analyze the chemical composition of the air around them thanks to their chem-receptors.[4]

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