Soil Moisture Sensor

Soil Moisture Sensor

This is an easy-to-use digital soil moisture sensor. Just insert the sensor in the soil and it can can measure moisture or water level content in it. It gives a digital output of 5V when moisture level is high and 0V when the moisture level is low in the soil.

The sensor includes a potentiometer to set the desired moisture threshold. When the sensor measures more moisture than the set threshold, the digital output goes high and an LED indicates the output. When the moisture in the soil is less than the set threshold, the output remains low. The digital output can be connected to a micro controller to sense the moisture level. The sensor also outputs an analog output which can be connected to the ADC of a micro controller to get the exact moisture level in the soild

Specifications:-

• Operating voltage: 3.3V~5V
• Dual output mode, analog output more accurate
• A fixed bolt hole for easy installation
• With power indicator (red) and digital switching output indicator (green)
• Having LM393 comparator chip, stable
• Panel PCB Dimension: Approx.3cm x 1.5cm
• Soil Probe Dimension: Approx. 6cm x 3cm
• Cable Length: Approx.21cm
• VCC: 3.3V-5V
• GND: GND
• DO: digital output interface(0 and 1)
• AO: analog output interface

Connections:-

• VCC  connect to 3.3V-5V
• GND  connect to GND
• DO   digital value output connector（0 or 1）
• AO  analog value output connector

What is Soil Moisture Sensor with Arduino

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