

Soil Hygrometer Moisture Detection sensor LM393
Soil Hygrometer Moisture Detection sensor LM393. Shipping from Canada. Use with Arduino, Raspberry Pi, Beaglebone and other microcontrollers...
1. This product is used to control the humidity of soil, wide range through the potentiometer to adjust the humidity threshold. If the humidity reach the threshold, the digital output will give a low level.
2. The comparator USES the LM393 chip.
3. Working voltage of 3.3 V to 5 V
4. Equipped with fixed bolt hole, convenient installation
5. PCB size: 3.2 cm * 1.4 m