A soil moisture sensor is a sensor that you can use to measure the amount of moisture in the soil or the level of a small liquid.
Due to the resistance caused by the soil or the liquid immersed in it, a voltage difference occurs between the probe tips. The amount of humidity can be measured according to the magnitude of this voltage difference. As the moisture content of the soil increases, its conductivity also increases. Sensitivity can be adjusted using the trimpot on the card.
It can be easily used with Arduino or different microcontrollers.
FEATURES
• Sensitivity adjustment with potentiometer (shown in blue)
• Operating Voltage: 3.3 – 5 V
• Output Voltage: 0 - 4.2 V
• Current: 35 mA
• Data Output Type: Analog and Digital
• Small PCB size: 3 cm x 1.6 c
Soil Moisture Detection Sensor
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