Product Description

Soil Moisture Sensor Soil Detector Module Soil Moisture Test Soil Humidity Test with 1.3M Corrosion Resistance Probe for Arduino


Specification:

Voltage: 3.3-12VDC

Current: Work<20ma

Output<30ma

Interface: +-DOAO

DO digital/AO analog

Uses: Detecting soil moisture

Principle: The soil humidity probe detects the humidity, and the voltage comparator judges the humidity. When the humidity is greater than the set value, DO outputs a low level


Operation:

1. Connect the positive pole of the power supply and the negative pole of the power supply. Do not connect the negative pole, otherwise the chip may burn out. When the power supply is connected, [P] power indicator lights up. The module works normally.

2. Clockwise/counterclockwise adjustment of blue potentiometer can improve/decrease the detection sensitivity of probe.

3. When the potentiometer is clockwise adjusted to the output indicator of [S], it indicates that the range of regulation has exceeded the test threshold, and when the counter-clockwise adjustment is unable to adjust, it exceeds the threshold. When adjusting, they should not exceed the threshold value,otherwise they can not be used normally. Potentiometer regulation is used only for the mouth of [DO], and is not related to the output of [AO].

4.The output of [AO] is analog (voltage), which can be detected directly throughAD port of single chip computer.


Note: 

1.Due to the light and screen difference, the item's color may be slightly different from the pictures.

2.Please allow 1-3cm differences due to manual measurement.


Package Includes:

1x Sensor

1x Probe

1x Pin



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