Biomimetic temperature-sensing layer for artificial skins

Methods Fig. S1. Pectin film. Fig. S2. Conductivity variation as a function of temperature in control experiments. Fig. S3. Current-temperature characteristics of a pectin film and corresponding Arrhenius plot. Fig. S4. Bending positions corresponding to experiment in Fig. 3A. Fig. S5. Setup for the electrical measurements performed on skins. Fig. S6. Readout circuit for the 4-pixel skin. Fig. S7. Voltage at the readout circuit for every row and column in a 4-pixel skin. Fig. S8. Current versus time when the film is touched with a finger. Fig. S9. Thermal image of the skin just after being touched with a finger. Fig. S10. Effect of pressure and temperature on a 4-pixel skin. Fig. S11. Aluminum square in contact with the 16-pixel skin. Fig. S12. Alternating current measurements on the pectin films. Table S1. Values corresponding to the block diagrams, with color map shown in Fig. 3D. Table S2. Values corresponding to the block diagram, with color map shown in Fig. 3E. Legend for movie S1