Product Description
DSM501A PM2.5 Dust Sensor Module can sense that tobacco smoke and pollen, house dust, such as heating automatic suction device, adjustable resistance is set up to detect the size of the dust. Using the same as the particle counter principle as the foundation, to detect the absolute number of particles per unit volume.
Main features:
- PWM output mode
- Compact, lightweight
- Easy to install
- A single power supply
Applications:
- Air purifiers and air cleaners
- Air-conditioning
- The air quality monitoring instrument
- Air conditioning and other related products.
Specifications and Features:
- Type: Dust Sensor
- Operating Voltage: 5V DC
- Material: Plastic, aluminum, PCB
- Output: Analog Sensor
- Theory: smoke Sensor
- Usage: Dust Sensor
- Cable Length: 18cm
- Weight:25g
- The optical principle, be able to detect more than 1-micron dust particles
- The two output modes, solve different sensitivity requirements, high output signal Vout clean environment (4V)
- Detecting particles range: up to 8000pcs / 283ml (1um particles above).
Package Includes:
1 x DSM501A PM2.5 Dust Sensor Module for Arduino, Air-Conditioners.
1 x Connecting Cable.
Technical Specifications
| Brand | Arduino |
|---|---|
| Model | DSM501A |
| SKU | AI2456 |
| Weight | 0.03 kg |
| Availability | In Stock |
Applications & Use Cases
The DSM501A PM2.5 Dust Sensor Module for Arduino is a versatile gas and dust sensor used across a wide range of applications including air quality monitoring, gas leak detection, industrial safety, HVAC systems, and environmental monitoring.
Common use cases:
- Building a gas leak alarm for LPG/methane
- Monitoring indoor air quality (CO2, VOC)
- Dust monitoring in a workshop
This product is ideal for environmental engineers, safety professionals, and IoT developers.
Technical Tip: MQ-series sensors need a warm-up period (24-48 hours for first use). Calibrate in clean air for accurate readings.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine Arduino product sourced from authorized channels

Vansh Bose (verified owner) –
Very satisfied with this DSM501A PM2.5 Dust Sensor Module. Fast shipping and genuine components. Zbotic is the best!
Sakshi Bhat (verified owner) –
Good DSM501A PM2.5 Dust Sensor Module. Took a while to get the drivers working but board itself is solid.
Ajay Shah (verified owner) –
Good DSM501A PM2.5 Dust Sensor Module. Took a while to get the drivers working but board itself is solid.
Darshan Vyas (verified owner) –
Love this DSM501A PM2.5 Dust Sensor Module. Using it for my home automation project, very reliable.
Nitin Khanna –
Great quality DSM501A PM2.5 Dust Sensor Module. Uploaded my first sketch and it worked flawlessly. Ideal for beginners.
Kunal Dave –
Good DSM501A PM2.5 Dust Sensor Module. Took a while to get the drivers working but board itself is solid.
Jai Luthra (verified owner) –
Decent quality DSM501A PM2.5 Dust Sensor Module. Some pins needed cleaning but works fine now.
Dhruv Gill (verified owner) –
Good DSM501A PM2.5 Dust Sensor Module. Works well with Arduino IDE. Headers could be soldered more neatly.
Sonali Vohra (verified owner) –
Nice DSM501A PM2.5 Dust Sensor Module for the price. Using it in my college project, performs well.
Nakul Saxena (verified owner) –
Excellent DSM501A PM2.5 Dust Sensor Module! Built a weather station with this. Everything works as expected.
Ojas Grewal (verified owner) –
Love this DSM501A PM2.5 Dust Sensor Module. Using it for my home automation project, very reliable.
Amit Khanna (verified owner) –
This DSM501A PM2.5 Dust Sensor Module made my robotics project so much easier. Highly recommended for students.
Ajay Panchal (verified owner) –
Excellent DSM501A PM2.5 Dust Sensor Module! Perfect for my Arduino project. All pins working correctly.
Akash Rawat (verified owner) –
Great quality DSM501A PM2.5 Dust Sensor Module. Uploaded my first sketch and it worked flawlessly. Ideal for beginners.
Chirag Khurana (verified owner) –
Love this DSM501A PM2.5 Dust Sensor Module. Using it for my home automation project, very reliable.
Pankaj Solanki (verified owner) –
Fantastic DSM501A PM2.5 Dust Sensor Module! All GPIO pins tested and working. Great for prototyping.
Ankur Khurana –
Fantastic DSM501A PM2.5 Dust Sensor Module! All GPIO pins tested and working. Great for prototyping.