Description
The Soil Moisture Sensor is a practical environmental module designed to gauge the volumetric water content of soil. It operates by inserting two exposed conductive probes into the earth to measure electrical resistance; wetter soil conducts electricity more efficiently, yielding a lower resistance reading. Equipped with an onboard comparator, it provides both a continuous analogue output for precise moisture tracking and an adjustable digital output for simple threshold triggering. In educational STEM environments, it is an essential component for introducing students to green technology and smart agriculture concepts. When integrated with microcontrollers like the Arduino UNO or Magic Board, it is widely used to build automated plant watering systems, smart greenhouses, and real-time environmental monitoring dashboards.
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