Soil moisture sensor
From emboxit
- Groove moisture sensor seed wiki
- Grove - Moisture Sensor $4.90
- Soil Moisture Sensor. Tinyos shop $2.95
- Soil Moisture Sensor Self-watering Automatic Irrigation Garden Tool for 328 2560 AMAZON $9.6
- https://digitalmeans.co.uk/shop/soil_moisture_sensor-immersion_gold Soil Moisture Sensor Immersion Gold, Digital Means UK, £4.15]
Dielectric constant measurement
- Soils moisture sensor, Wikipedia
- Capacitance probe, Wikipedia
- Theory and Practice of Dielectric Soil Moisture Measurement
- Dielectric Soil Moisture Sensors
- How do soil moisture sensors actually measure moisture?
- Soil type affects accuracy of dielectric moisture sensors
- VH400 Soil Moisture Sensor Probes, VH400-2M, price $36.95
