Figure 4

The need for a calibration sensor. (a) The impedance in the initial state when the Galinstan droplet moves from electrode (1) to electrode (3). (b) The impedance when the resistance of the valuable resistor decreases.

The need for a calibration sensor. (a) The impedance in the initial state when the Galinstan droplet moves from electrode (1) to electrode (3). (b) The impedance when the resistance of the valuable resistor decreases.