Interfacing GP2Y1010AU0F Optical Dust Sensor Module with Arduino

GP2Y1010AU0F Dust Module Features

The GP2Y1010AU0F is an optical air quality sensor, designed to sense dust particles. An infrared emitting diode and a phototransistor are diagonally arranged into this device, to allow it to detect the reflected light of dust in air. It is especially effective in detecting very fine particles like cigarette smoke, and is commonly used in air purifier systems.

You can download the datasheet of this module here.

GP2Y1010AU0F Dust Module Pinout

This sensor has 6 pins:

  • 5V: Module power supply – 5 V
  • GND: Ground
  • LED: Input LED
  • V-LED: LED power supply
  • OUT: Analog output

You can see pinout of this module in the image below.

Required Materials

Hardware Components

Arduino UNO R3 × 1
GP2Y1010AU0F Dust Sensor × 1
Male to Female jumper wire × 1

Software Apps

Arduino IDE

Interfacing GP2Y1010AU0F Sensor with Arduino

Step 1: Circuit

The following circuit shows how you should connect Arduino to GP2Y1010AU0F module. Connect wires accordingly.

Step 2: Code

Upload the following code to your Arduino.

Refrains :

 Standalone Sketch to use with a Arduino UNO and a
 Sharp Optical Dust Sensor GP2Y1010AU0F

int measurePin = A0; //Connect dust sensor to Arduino A0 pin
int ledPower = 2;   //Connect 3 led driver pins of dust sensor to Arduino D2

int samplingTime = 280;
int deltaTime = 40;
int sleepTime = 9680;

float voMeasured = 0;
float calcVoltage = 0;
float dustDensity = 0;

void setup(){

void loop(){
  digitalWrite(ledPower,LOW); // power on the LED

  voMeasured = analogRead(measurePin); // read the dust value

  digitalWrite(ledPower,HIGH); // turn the LED off

  // 0 - 5V mapped to 0 - 1023 integer values
  // recover voltage
  calcVoltage = voMeasured * (5.0 / 1024.0);

  // linear eqaution taken from
  // Chris Nafis (c) 2012
  dustDensity = 170 * calcVoltage - 0.1;

  Serial.println(dustDensity); // unit: ug/m3


After uploading the code, you can see the output in the serial monitor.

You can see the graphical output with processing3 software. Click here to download the sample code in processing3.

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Comment (1)

  • Nuno Reply

    You didn’t describe the capacitor and resistor you have used.

    July 25, 2022 at 9:36 am

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