Soil Moisture Sensor Test Plan

Challenge: Design and execute a plan that will light a RED LED when the soil is wet, and a GREEN LED when the soil is dry. This will involve using a Soil Moisture Sensor.Goal: The goal of this instructable is to see if it has rained and if the plants are receiving water. If the soil is wet, the red ...
By: RoManEngineering30

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[original story: Instructables]

Instructables 12 Jan 13:46