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Schematic illustration of fabric electrodes and textile piezoresistive sensor (TPRS): (a) the preparation process of the fabric electrode coated with silver paste; (b) the preparation process of the fabric electrode coated with reduced graphene oxide (rGO); (c) the assembly process with Polyimide (PI) tape; (d) the preparation process of the complete TPRS, (e) flexible printed circuit board with attached TPRSs, (f) encapsulated insole and (g) in-shoe setup.
