Sensors
Soil Moisture Sensor
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Measures soil water content by resistance between two probes, with an LM393 comparator board giving analog and threshold-digital outputs. The core sensor in automatic plant-watering builds. Capacitive versions resist corrosion better.
| Category | Sensors |
| Availability | Sourced on request — ask for price & lead time |
| Delivery | Cash on Delivery, nationwide Bangladesh |