What you'll learn
- Understand the difference between Analog and Digital sensor signals.
- Calibrate a physical sensor using a potentiometer on a comparator circuit.
- Translate soil resistance values into actionable data in the Serial Monitor.
- Interpret how moisture affects electrical conductivity in soil.
What's in the kit
- Arduino UNO R3
- Soil Moisture Sensor Module (YL-69 or similar)
- Breadboard Jumper Wires (Male-to-Female)×4
- USB Cable (A-to-B)
- Small pot with dry soil/sand
Protocol: analog
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Project 14
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