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Magfield sensor ball
Legends Canon version → Linked from 3 articles
Legends. This article is part of Legends: the expanded-universe stories that Lucasfilm set apart from canon in 2014.
A magfield sensor ball was an outdated sensory input device utilized with Mark II reactor drone droids and other simple labor droids. The sensor ball was a simple metal ball contained in a wire cage that allowed a droid to "perceive" its surroundings any time the ball hit the cage. This situation was usually encountered when the droid ran into an obstacle or had begun to tip over.
Text and facts from the “Magfield sensor ball/Legends” article on Wookieepedia, licensed under CC BY-SA 3.0. Modified for this site.
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