Abstract: A footwear component is disclosed. In various embodiments, the footwear component includes a foam substrate having an upper surface and a lower surface extending in a lateral direction; and a sensing circuit between the upper surface and the lower surface, the sensing circuit including a piezoelectric foam sensor including a piezoelectric foam between a plurality of electrodes, a printed circuit board having a processor electrically connected to the plurality of electrodes by one or more electrical leads, and an antenna electrically connected to the printed circuit board, the antenna being spaced apart from the printed circuit board and the plurality of electrodes in the lateral direction.