Joy-it Sensor kit 1 pc(s) Compatible with (development kits): Raspberry Pi, pcDuino, micro:bit, Calliope,

The soil moisture sensor is easy to use. The two large exposed pads act as probes for the sensor and act as a variable resistor. The more water in the floor, the better the conductivity between the pads, resulting in lower resistance and higher output voltage. This text is machine translated.