Soil Moisture Sensor Module Overview
This soil moisture sensor module is designed for precise measurement of soil humidity levels, making it an essential tool for various applications, including agriculture, environmental monitoring, and educational projects.
Key Features
- Compact size: 36mm x 15mm x 6mm
- Operating voltage: 3.3-12V DC
- Low current consumption: <30mA
- Analog and digital output interfaces
- Corrosion-resistant probe for enhanced durability
Principle of Operation
The module uses a resistive sensor to detect soil moisture levels. When the probe detects moisture above a set threshold, the DO output goes low, and the transistor is turned on.
| Parameter | Value |
|---|---|
| Operating Voltage | 3.3-12V DC |
| Current Consumption | <30mA |
| Output Interfaces | Analog (AO) and Digital (DO) |
Technical Details
The AO port can be directly connected to the AD port of a microcontroller for voltage measurement. The DO output is suitable for triggering external devices or alerts.




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