Optical Dust Sensor Module (PM Detection Sensor)

Original price was: ₹520.00.Current price is: ₹410.00. GST

The Optical Dust Sensor Module is a sensor used for detecting dust particles and air quality levels in the environment. It is commonly used in air pollution monitoring and purification systems.

The Optical Dust Sensor works using an infrared LED and photodiode to detect dust particles suspended in air. When particles pass through the sensing chamber, light is scattered and measured by the sensor to estimate dust concentration.

These sensors are widely used in:

  • Air quality monitoring
  • Air purifiers
  • Smart environment systems
  • Pollution detection projects

Popular versions include sensors like:

  • Sharp GP2Y1010AU0F
  • DSM501A
  • PM2.5 laser-based sensors

The sensor outputs either:

  • Analog voltage
  • PWM signal
  • UART digital data (depends on model)

Key Features

  • Detects airborne dust particles
  • Useful for PM and air quality monitoring
  • Low power consumption
  • Compact design
  • Compatible with Arduino and ESP32
  • Suitable for indoor air monitoring systems

Technical Specifications 

Parameter Value
Operating Voltage 5V
Output Type Analog / PWM / UART
Detection Dust / Particulate Matter
Response Time Fast
Interface ADC / Serial

Pin Configuration 

Pin Description
VCC Power Supply
GND Ground
OUT / TX Sensor Output
LED IR LED Control (some models)

What’s in the Box

  • 1 × Optical Dust Sensor Module

Ideal For

  • Air quality monitoring
  • Pollution detection systems
  • Smart air purifiers
  • IoT environment projects
  • DIY electronics 🌫️
Weight 0.020 kg
Dimensions 4.5 × 3.0 × 2.0 cm

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