Description
Reviews
| 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 |
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.
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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