Parts Sensors and input
Soil Moisture Sensor
A capacitive soil moisture probe with an analog output.
- Category
- Sensors and input
- Size
- 10.2 × 35.6 mm
Pins
| Pin | Role |
|---|---|
GND | Ground |
VCC | Power |
AOUT | Output |
Settings
Change these in the part's properties on the canvas.
- Soil moisture
- 40 %
- Output in dry air
- 2.8 V
- Output in water
- 1.3 V
How PinBench simulates it
- The output falls as the soil gets wetter: about 2.8 V in dry air to about 1.3 V in water, roughly 570 and 265 from
analogRead()on a 5 V board. - That keeps the inverted, offset range that every soil moisture tutorial starts by calibrating.