Science Robotics

Supplementary Materials

This PDF file includes:

  • Additional methods
  • Fig. S1. Schematic illustration of the operating mechanism of the device.
  • Fig. S2. Characterization of Co AW.
  • Fig. S3. Schematic illustration of the fabrication procedure of the tactile sensor.
  • Fig. S4. Comparison of the magnetic gradient of the polymer magnet with the perpendicular and parallel magnetization.
  • Fig. S5. Characterization of the polymer magnet.
  • Fig. S6. GMI ratio of the inductive sensing element at different magnetic field values.
  • Fig. S7. The GMI ratio of the inductive sensing element at different driving current values.
  • Fig. S8. The first differential relations between the impedance of the inductive sensing element and the height obtained as a result of calculation from Fig. 2B.
  • Fig. S9. The real-time response of the sensor to the subtle pressure.
  • Fig. S10. The response of the sensor to the pressure in the range of 0 to 100 kPa.
  • Fig. S11. The durability and stability of the current sensor.
  • Fig. S12. The wearable pressure sensing performance of sensors.
  • Fig. S13. The digital frequency as a function of applied pressure in the range of 10 to 180 kPa.
  • Fig. S14. The logic circuit for the pulse waveform of the subtle pressure.

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