PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor

🌫️ GP2Y1010AU0F optical dust sensor for smoke/PM detection
📈 Analog output—easy reading with Arduino/MCU ADC
🔦 Uses IR LED + phototransistor to sense particles
⚡ Low power operation—great for portable air monitors
🎯 Sensitive to dust, smoke, and fine airborne particles
🧩 Ideal for air quality monitors, purifiers, and HVAC projects
🛠️ Simple interface with LED control + analog signal pin
✅ Popular sensor for DIY air pollution detection builds

SKU: aa0243 Categories: Gas and Dust Sensor, Sensors Tags: Gas and Dust Sensor, Sensors

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Description

This PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor is an infrared emitting diode (IRED) and a phototransistor are diagonally arranged into this device. It detects the reflected light of dust in the air. Especially, it is effective to detect very fine particle like the cigarette smoke. In addition, it can distinguish smoke from house dust by the pulse pattern of the output voltage.

The module is mainly used for dust removal equipment alarm equipment, air purification equipment, dust robots, fire alarm, etc. industry equipment can detect smoke particles, pollen spores, and other particles.

Applications:

1. Detecting of dust in the air.
2. Example: Air purifier, Air conditioner, the Air monitor.

Features :

Compliant with RoHS directive (2002/95/EC)
Compact, thin package (46.0 × 30.0 × 17.6 mm)
Low consumption current (Icc: MAX. 20 mA)
The presence of dust can be detected by the photometry of only one pulse
Enable to distinguish smoke from house dust
Lead-free and RoHS directive compliant

Package Includes :

1 x PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor.
1 x Connecting cable.
1x 150 Ω resistor.
1 x 220 μF capacitor.

🔌

Pin Connections

1 Table

Pin Connections Table 1

Board	Sensor Pin	Connection
GP2Y1010AU0F	VCC/GND/LED/AOUT	5V / GND / board digital pin (via 150 ohm resistor + 220uF cap per datasheet) / board analog pin

📟

PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor

7 Examples • C/C++ | Boards: Arduino Uno, Arduino Nano, Arduino Mega, ESP32, ESP8266, STM32, Raspberry Pi Pico

Wrap

PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor - Arduino Uno

PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor - Arduino Nano

PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor - Arduino Mega

PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor - ESP32

PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor - ESP8266

PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor - STM32

PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor - Raspberry Pi Pico

📄 File: pm2.5_gp2y1010au0f_dust_smoke_particle_sensor_-_arduino_uno.inoArduino Uno

963 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// LED-drive pin 2, analog out A0 on Arduino Uno

6#define LED_PIN 2

7#define AOUT_PIN A0

9void setup() {

10 Serial.begin(115200);

11 pinMode(LED_PIN, OUTPUT);

12 digitalWrite(LED_PIN, HIGH); // module's internal IR LED is active-LOW - idle it off between samples

13}

15void loop() {

16 digitalWrite(LED_PIN, LOW); // turn the IR LED on

17 delayMicroseconds(280);

18 int raw = analogRead(AOUT_PIN); // sample while the LED is on

19 delayMicroseconds(40);

20 digitalWrite(LED_PIN, HIGH); // turn the IR LED back off

21 delayMicroseconds(9680); // completes the ~10ms duty cycle the datasheet specifies

23 float voltage = raw * 5.0 / 1023.0;

24 float dustDensity = (voltage - 0.6) / 5.0 * 1000.0; // approximate datasheet formula, ug/m3 (needs real calibration)

26 Serial.print("Dust density (approx): "); Serial.print(dustDensity > 0 ? dustDensity : 0); Serial.println(" ug/m3");

27 delay(1000);

28}

📄 File: pm2.5_gp2y1010au0f_dust_smoke_particle_sensor_-_arduino_nano.inoArduino Nano

964 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// LED-drive pin 2, analog out A0 on Arduino Nano

6#define LED_PIN 2

7#define AOUT_PIN A0

9void setup() {

10 Serial.begin(115200);

11 pinMode(LED_PIN, OUTPUT);

12 digitalWrite(LED_PIN, HIGH); // module's internal IR LED is active-LOW - idle it off between samples

13}

15void loop() {

16 digitalWrite(LED_PIN, LOW); // turn the IR LED on

17 delayMicroseconds(280);

18 int raw = analogRead(AOUT_PIN); // sample while the LED is on

19 delayMicroseconds(40);

20 digitalWrite(LED_PIN, HIGH); // turn the IR LED back off

21 delayMicroseconds(9680); // completes the ~10ms duty cycle the datasheet specifies

23 float voltage = raw * 5.0 / 1023.0;

24 float dustDensity = (voltage - 0.6) / 5.0 * 1000.0; // approximate datasheet formula, ug/m3 (needs real calibration)

26 Serial.print("Dust density (approx): "); Serial.print(dustDensity > 0 ? dustDensity : 0); Serial.println(" ug/m3");

27 delay(1000);

28}

📄 File: pm2.5_gp2y1010au0f_dust_smoke_particle_sensor_-_arduino_mega.inoArduino Mega

964 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// LED-drive pin 2, analog out A0 on Arduino Mega

6#define LED_PIN 2

7#define AOUT_PIN A0

9void setup() {

10 Serial.begin(115200);

11 pinMode(LED_PIN, OUTPUT);

12 digitalWrite(LED_PIN, HIGH); // module's internal IR LED is active-LOW - idle it off between samples

13}

15void loop() {

16 digitalWrite(LED_PIN, LOW); // turn the IR LED on

17 delayMicroseconds(280);

18 int raw = analogRead(AOUT_PIN); // sample while the LED is on

19 delayMicroseconds(40);

20 digitalWrite(LED_PIN, HIGH); // turn the IR LED back off

21 delayMicroseconds(9680); // completes the ~10ms duty cycle the datasheet specifies

23 float voltage = raw * 5.0 / 1023.0;

24 float dustDensity = (voltage - 0.6) / 5.0 * 1000.0; // approximate datasheet formula, ug/m3 (needs real calibration)

26 Serial.print("Dust density (approx): "); Serial.print(dustDensity > 0 ? dustDensity : 0); Serial.println(" ug/m3");

27 delay(1000);

28}

📄 File: pm2.5_gp2y1010au0f_dust_smoke_particle_sensor_-_esp32.inoESP32

957 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// LED-drive pin 4, analog out 34 on ESP32

6#define LED_PIN 4

7#define AOUT_PIN 34

9void setup() {

10 Serial.begin(115200);

11 pinMode(LED_PIN, OUTPUT);

12 digitalWrite(LED_PIN, HIGH); // module's internal IR LED is active-LOW - idle it off between samples

13}

15void loop() {

16 digitalWrite(LED_PIN, LOW); // turn the IR LED on

17 delayMicroseconds(280);

18 int raw = analogRead(AOUT_PIN); // sample while the LED is on

19 delayMicroseconds(40);

20 digitalWrite(LED_PIN, HIGH); // turn the IR LED back off

21 delayMicroseconds(9680); // completes the ~10ms duty cycle the datasheet specifies

23 float voltage = raw * 3.3 / 4095.0;

24 float dustDensity = (voltage - 0.6) / 5.0 * 1000.0; // approximate datasheet formula, ug/m3 (needs real calibration)

26 Serial.print("Dust density (approx): "); Serial.print(dustDensity > 0 ? dustDensity : 0); Serial.println(" ug/m3");

27 delay(1000);

28}

📄 File: pm2.5_gp2y1010au0f_dust_smoke_particle_sensor_-_esp8266.inoESP8266

961 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// LED-drive pin D4, analog out A0 on ESP8266

6#define LED_PIN D4

7#define AOUT_PIN A0

9void setup() {

10 Serial.begin(115200);

11 pinMode(LED_PIN, OUTPUT);

12 digitalWrite(LED_PIN, HIGH); // module's internal IR LED is active-LOW - idle it off between samples

13}

15void loop() {

16 digitalWrite(LED_PIN, LOW); // turn the IR LED on

17 delayMicroseconds(280);

18 int raw = analogRead(AOUT_PIN); // sample while the LED is on

19 delayMicroseconds(40);

20 digitalWrite(LED_PIN, HIGH); // turn the IR LED back off

21 delayMicroseconds(9680); // completes the ~10ms duty cycle the datasheet specifies

23 float voltage = raw * 3.3 / 1023.0;

24 float dustDensity = (voltage - 0.6) / 5.0 * 1000.0; // approximate datasheet formula, ug/m3 (needs real calibration)

26 Serial.print("Dust density (approx): "); Serial.print(dustDensity > 0 ? dustDensity : 0); Serial.println(" ug/m3");

27 delay(1000);

28}

📄 File: pm2.5_gp2y1010au0f_dust_smoke_particle_sensor_-_stm32.inoSTM32

963 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// LED-drive pin PB4, analog out PA0 on STM32

6#define LED_PIN PB4

7#define AOUT_PIN PA0

9void setup() {

10 Serial.begin(115200);

11 pinMode(LED_PIN, OUTPUT);

12 digitalWrite(LED_PIN, HIGH); // module's internal IR LED is active-LOW - idle it off between samples

13}

15void loop() {

16 digitalWrite(LED_PIN, LOW); // turn the IR LED on

17 delayMicroseconds(280);

18 int raw = analogRead(AOUT_PIN); // sample while the LED is on

19 delayMicroseconds(40);

20 digitalWrite(LED_PIN, HIGH); // turn the IR LED back off

21 delayMicroseconds(9680); // completes the ~10ms duty cycle the datasheet specifies

23 float voltage = raw * 3.3 / 4095.0;

24 float dustDensity = (voltage - 0.6) / 5.0 * 1000.0; // approximate datasheet formula, ug/m3 (needs real calibration)

26 Serial.print("Dust density (approx): "); Serial.print(dustDensity > 0 ? dustDensity : 0); Serial.println(" ug/m3");

27 delay(1000);

28}

📄 File: pm2.5_gp2y1010au0f_dust_smoke_particle_sensor_-_raspberry_pi_pico.inoRaspberry Pi Pico

969 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// LED-drive pin 2, analog out 26 on Raspberry Pi Pico

6#define LED_PIN 2

7#define AOUT_PIN 26

9void setup() {

10 Serial.begin(115200);

11 pinMode(LED_PIN, OUTPUT);

12 digitalWrite(LED_PIN, HIGH); // module's internal IR LED is active-LOW - idle it off between samples

13}

15void loop() {

16 digitalWrite(LED_PIN, LOW); // turn the IR LED on

17 delayMicroseconds(280);

18 int raw = analogRead(AOUT_PIN); // sample while the LED is on

19 delayMicroseconds(40);

20 digitalWrite(LED_PIN, HIGH); // turn the IR LED back off

21 delayMicroseconds(9680); // completes the ~10ms duty cycle the datasheet specifies

23 float voltage = raw * 3.3 / 4095.0;

24 float dustDensity = (voltage - 0.6) / 5.0 * 1000.0; // approximate datasheet formula, ug/m3 (needs real calibration)

26 Serial.print("Dust density (approx): "); Serial.print(dustDensity > 0 ? dustDensity : 0); Serial.println(" ug/m3");

27 delay(1000);

28}

Project Notes:

Optical dust/smoke density sensor - pulses an internal IR LED and samples during the pulse.

Specification

WeightWeight	6 g
Dimensions	3 × 2 × 1 cm
Product Name	GP2Y1010AU0F Dust / Smoke Particle Sensor (PM2.5)
Category	Sensor → Dust / Air Quality
Sensor Type	Optical Dust Sensor (IR LED + phototransistor)
Detects	Dust / Smoke Particles (PM)
Output Type	Analog Voltage Output
Supply Voltage	5 V
LED Drive	Pulsed LED control required (recommended)
Interface	Analog (to ADC)
Response	Fast particle detection (module/system dependent)
Mounting Type	Through Hole / Module (variant-dependent)
Applications	PM2.5 monitoring, air quality projects, dust/smoke detection systems