Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Detection Principle	Laser Scattering
Measured Particles	PM1.0, PM2.5, PM10
Data Interface	UART / PWM
Operating Voltage	5.0V ± 0.2V
Response Time	≤ 10 seconds
Consistency Error	± 10 μg/m³
Minimum Particle Size	0.3 μm
Operating Temperature	-10°C to 50°C
Dimensions	48mm x 38mm x 12mm
Expected Lifespan	> 20,000 hours

6 reviews

Anonymous

Mar 27, 2026

Rating: 5/5

Accurate and robust

Been running this 24/7 for three months now. No drift in calibration detected. The build quality feels solid and the connector pins are sturdy.

Anonymous

Mar 15, 2026

Rating: 5/5

Excellent precision for DIY air monitors

I integrated this sensor into my home automation system and the readings match my commercial-grade monitor almost perfectly. The UART communication is stable and easy to parse.

Anonymous

Mar 11, 2026

Rating: 4/5

Great value, fast response

Very responsive to changes in air quality. I tested it by burning a piece of paper nearby and it spiked immediately. Only giving 4 stars because the documentation could be more detailed for beginners.

Anonymous

Mar 10, 2026

Rating: 4/5

Good sensitivity

Notices even slight dust increases when cooking. The fan noise is minimal. Just make sure you provide a stable 5V power supply to avoid reading fluctuations.

Anonymous

Mar 09, 2026

Rating: 5/5

Reliable laser sensor

Used this for a university project on indoor pollution. The consistency is impressive across multiple units we ordered. Highly recommended for academic or hobbyist use.

Anonymous

Mar 01, 2026

Rating: 5/5

Perfect for Arduino projects

Connected easily to my ESP32. The library support is good, and the data stream is clean. It's small enough to fit into compact enclosures without issues.

5 FAQ

Q: Is there a library available for Raspberry Pi?

A: While we do not provide an official library, many users have successfully implemented Python scripts using the standard serial GPIO pins on Raspberry Pi.

Q: Does this module output data via I2C?

A: No, this specific model outputs data via UART (TTL) and PWM. It does not support I2C communication.

Q: What is the warm-up time required before accurate readings?

A: We recommend a warm-up period of about 30 seconds to 1 minute after powering on to ensure the laser and fan stabilize for precise measurements.

Q: Can this detect cigarette smoke effectively?

A: Yes, the laser scattering principle allows it to detect fine particulate matter found in smoke, typically showing a rapid increase in PM2.5 readings.

Q: How often does the sensor need calibration?

A: The sensor comes factory calibrated. Under normal operating conditions, it maintains accuracy for years without manual recalibration.

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