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Soil Moisture Detector Module Corrosion Resistance Probe DC 3.3-12V

K-TECHNICS
In stock
KSh850.00

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The Soil Moisture Detector Module with a Corrosion Resistance Probe (DC 3.3-12V) is an electronic kit designed to measure water levels in soil. It features a specially coated, heavy-duty metal probe to drastically slow down the oxidation and rust common in basic resistive sensors.
šŸ› ļø Technical Specifications
  • Operating Voltage: DC 3.3V to 12V (Compatible with 3.3V and 5V microcontrollers like Arduino, ESP32, and Raspberry Pi)
  • Working Current: Less than 20mA (Output current capacity: < 30mA)
  • Comparator Chip: Onboard LM393 voltage comparator for reliable digital switching
  • Outputs: Dual interface layout
    • AO (Analog Output): Outputs a real-time voltage curve based on soil resistance
    • DO (Digital Output): Outputs a simple High/Low signal based on an adjustable threshold
šŸ”Œ Pin Configuration & Module Wiring
The processing board contains a 4-pin interface block:
  • + (VCC): Connects to your positive power supply (3.3V - 12V). Avoid reversing polarity to prevent chip burnout.
  • - (GND): Connects to the system ground line.
  • DO: Digital Output. It outputs a Low level (0V) when soil moisture exceeds your set limit.
  • AO: Analog Output. Delivers raw voltage readings directly to an Analog-to-Digital converter pin.

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