Specification:
The product
can control the humidity of soil, wide range through the potentiometer to
adjust control corresponding threshold, the humidity is lower than the set
value, the DO output high level, higher than the set value, the DO output low
level;
The comparator USES the LM393 chips, work
stability
The working
voltage of 3.3 V to 5 V
Equipped
with fixed bolt hole, convenient installation
PCB size:
3.2 cm * 1.4 m
Package Contains:
1Nos Soil temperature and humidity sensor