Soil moisture meter analog/digital

Soil moisture meter analog/digital

Product information:

Simple moisture sensor to measure soil moisture.

The digital output on the module is high when the soil is too dry, low when the soil is wet (adjustable with a potentiometer on the measuring board).
With the analog output you can measure exactly how moist the soil is. Ideal to create an automatic plant irrigation system!

Input voltage: 3.3V-5V
Digital (pin DO) and analog output (pin AO).
Sensitivity adjustable with digital potentiometer on the PCB (for the digital output).

Dimensions:
- Measuring probe: 60x30mm.
- Measuring print: 30x16mm.

With green on/off LED and red LED indicating digital output (high/low).
Red LED on = soil moist enough.
Powered by an LM393 comparison chip.

Connections:
1. VCC: power supply (3-5V)
2. GND: ground
3. DO: TTL digital output
4. AO: Analog signal output