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Turbidity Sensor Module Kit for Arduino

Turbidity Sensor Module Kit for Arduino

β‚Ή929.00Price

πŸ’§ Turbidity Sensor Module Kit

Water Quality β€’ Clarity Detection β€’ Analog/Digital Output

πŸ“Œ What is a Turbidity Sensor?

A turbidity sensor measures the cloudiness or clarity of water by detecting how much light is scattered by suspended particles.

πŸ‘‰ More particles (mud, algae, impurities) β†’ higher turbidity
πŸ‘‰ Clear water β†’ low turbidity

βœ” Commonly used in water quality monitoring systems

βš™οΈ Working Principle

  • The sensor contains:

    • Light source (IR LED)

    • Light detector (photodiode/transistor)

Process:

  • Light is emitted into water

  • Suspended particles scatter the light

  • Detector measures intensity of received light

  • Output voltage changes based on turbidity level

βœ” Clear water β†’ more light reaches detector β†’ higher output
βœ” Dirty water β†’ less light reaches detector β†’ lower output

πŸ”Œ Module Components

A typical kit includes:

  • Turbidity probe (waterproof sensor head)

  • Signal processing module (with comparator)

  • Connecting cable

πŸ”Œ Pin Configuration (Module)

  • VCC β†’ 5V

  • GND β†’ Ground

  • AO β†’ Analog Output

  • DO β†’ Digital Output (threshold-based)

πŸ”„ Output Types

1. Analog Output (AO)

  • Continuous voltage (0–4.5V approx.)

  • Used for precise turbidity measurement

2. Digital Output (DO)

  • HIGH/LOW signal

  • Triggered when turbidity crosses set threshold

  • Adjustable using onboard potentiometer

πŸ“Š Measurement Range

  • Turbidity Range: 0 – 1000 NTU (approx.)
    (NTU = Nephelometric Turbidity Units)

πŸ“Š Output Behavior

Water ConditionTurbidityOutput Voltage
Clear waterLowHigh voltage
Slightly dirtyMediumMedium
Very dirtyHighLow voltage

✨ Key Features

  • Real-time water clarity detection

  • Analog and digital output options

  • Waterproof probe

  • Adjustable sensitivity (via potentiometer)

  • Easy interface with Arduino and microcontrollers

πŸ“Š Technical Specifications

  • Operating Voltage: 5V DC

  • Current Consumption: ~30 mA

  • Response Time: < 500 ms

  • Operating Temperature: 5Β°C to 90Β°C

  • Interface: Analog + Digital

πŸ› οΈ Applications

  • Water quality monitoring systems

  • Aquarium and fish tank monitoring

  • Drinking water analysis

  • Industrial liquid monitoring

  • Environmental monitoring projects

  • Smart irrigation systems

πŸ”— Arduino Connection

  • VCC β†’ 5V

  • GND β†’ GND

  • AO β†’ A0 (analog pin)

🧠 Working with Arduino

  • Read analog value using analogRead()

  • Convert voltage to turbidity using calibration formula

Example concept:

  • Higher voltage β†’ cleaner water

  • Lower voltage β†’ more turbidity

⚑ Advantages

  • Simple and low-cost

  • Easy to use with Arduino

  • Provides real-time monitoring

  • Dual output modes (analog + digital)

⚠️ Limitations

  • Requires calibration for accurate NTU values

  • Sensitive to ambient light interference

  • Probe can get dirty over time

  • Not laboratory-grade accuracy

πŸ’‘ Important Notes

  • Clean the sensor regularly for accurate readings

  • Avoid air bubbles on probe surface

  • Use shielding to reduce light interference

  • Calibrate using known turbidity samples

🧾 Summary

The Turbidity Sensor Module Kit is a practical sensor for measuring water clarity by analyzing light scattering.

βœ” Ideal for:

  • Arduino projects

  • Environmental monitoring

  • Water quality systems

πŸ‘‰ It’s a simple yet powerful tool for detecting water pollution and cleanliness.

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