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-5VModule 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
- VCC external 3.3V-5V
- GND GND External
- DO small board digital output interfaces ( 0 and 1 )
- AO small board analog output interface