fig2
![Recent progress in pressure and temperature tactile sensors: principle, classification, integration and outlook](https://image.oaes.cc/0df29de9-dd7a-4412-be2e-96cac20c4363/4261.fig.2.jpg)
Figure 2. (A) Optical photograph and design illustration of ultrahigh sensitive pressure sensor; (B) resistance response and pressure sensitivity of the sensor; and (C) pressure detection of two tiny balls by a 64 × 64 pixel pressure sensor. This figure is quoted with permission from Shi et al.[25].