Simple Soil Moisture Sensor Circuit

The video tutorial explains a simple circuit with an LED that indicates soil moisture levels. The LED remains on when there is no conductivity between two probes, such as in dry soil, and turns off when the probes are in wet soil. This circuit can also function as a water level indicator, turning the LED off when water is present and on when the water level drops. It serves as a practical tool for determining when to water plants.

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