Soil Humidity Moisture Detection Sensor Module
সয়েল হিউমিডিটি ময়েশ্চার ডিটেকশন সেন্সর মডিউল
This is a simple water sensor can be used to detect soil moisture when the soil moisture deficit module outputs a high level, and vice versa output low. Use this sensor produced an automatic plant waterer device, so that the plants in your garden without people to manage.
Sensitivity adjustable the blue digital potentiometer adjustment (Figure)
Operating voltage 3.3V-5V
Module dual output mode, digital output, analog output more accurate.
With fixed bolt hole for easy installation
PCB size: 3cm * 1.6cm
Power indicator (red) and digital switching output indicator (green)
Comparator LM393 chip, stable
Interface Description (4-wire)
VCC: .3 V-5V
GND: GND
DO: digital output interface (0 and 1)
AO: Analog Output Interface
