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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Soft robotics prototype using a triboelectric sensor (a) catching, (b) holding and (c) releasing an object when pulled away. (d) Output voltage signal at the three different stages (a) catching, (b) holding and (c) releasing an object when pulled away.