Description:
1, This is a summary of the moisture sensor can be used to detect soil moisture, soil water when 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.
2, adjustable sensitivity (shown in blue digital potentiometer adjustment)
4, Operating Voltage 3.3V-5V
5, module dual output mode, the digital output is simple, analog output is more accurate.
6, with fixed bolt hole for easy installation
7, small PCB board size: 3cm x 1.6cm
Small plate interface specification (4-wire)
1 VCC 3.3V-5V external
2 GND GND External
3 DO small board digital output interface (0 and 1)
4 AO small plates analog output interface
Package Include: 5pcs Soil Hygrometer Humidity Detection Module