Module size :36*15*7
Voltage :3.3-12VDC
Current: working <20ma
Output <30ma
Connect port :+ - DO AO
DO :digital output
AO :analog output (voltage )
When soil humidity less than seting humidity ,DO output low level
+ :power +
- : power -
When connect power ,the power LED will ligthing ,the module start to work.
