The soil moisture sensor or the hygrometer is usually used to detect the humidity of the soil. So, it is perfect to build an automatic watering system or to monitor the soil moisture of your plants. The sensor is set up by two pieces: the electronic board and the sensor probe with two pads, that detects the water content.
- Interface: 4-Wire.
- Operating Voltage: 3.3V~5Vdc.
- Output: Digital and Analogue.
- Cable Length: ~21cm.
- Panel PCB Dimension: 3cm x 1.5cm.
- Soil Probe Dimension: 6cm x 3cm.
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