Research Article

Development and Application of the Single-Spiral Inductive-Capacitive Resonant Circuit Sensor for Wireless, Real-Time Characterization of Moisture in Sand

Figure 1

The (a) illustration and (b) photograph of the sensor, which was comprised of a single-layer, spiral inductor circuit printed on a substrate.
894512.fig.001a
(a)
894512.fig.001b
(b)