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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 (http://creativecommons.org/licenses/by/4.0/).
Pressure mapping by the PANI-based pressure sensing arrays. (a) a screen-printed sensor array with 4 × 4 pixels; (b) A photograph of the sensing array; (c) The sensing array pressed with a feather; (d) 3D bar graph showing the real-time relative current change.