fig3
From: All 3D-printed high-sensitivity adaptive hydrogel strain sensor for accurate plant growth monitoring
Figure 3. All 3D printed strain sensing devices and sensitivity analysis. (A) Physical drawing of PEDOT:PSS-PVA ink and PVA ink; (B) The 3D printing process for integrated strain sensor devices; Conductive layer structure with different patterns and stretching objects: (C) Microwave pattern; (D) Curved line; (E) Rhombic; (F) Square; Sensing performance of different shape patterns under different strains (0%-300%): (G) Microwave pattern; (H) Curved line; (I) Rhombic; (J) Square. PEDOT:PSS: Poly(3,4-ethylenedioxythiophene):polystyrene sulfonate; PVA: polyvinyl alcohol.
