LM393 Soil Moisture Sensor for Arduino (with Wire)

This is a summary of the moisture sensor can be used to detect the moisture of the soil, when the soil is dry , the module outputs a high level , whereas the output low. Using this sensor make an automatic watering system , so that your garden plants need people to manage .

• Adjustable sensitivity ( shown in blue digital potentiometer adjustment )
• Operating Voltage 3.3V-5V
• Module Dual Output mode , a simple digital output , analog output more accurate.
• with fixed bolt hole for easy installation
• small PCB board size : 3cm * 1.6cm
• power indicator ( red ) and the digital switch output indicator ( green )
• using LM393 comparator chip , stable