Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Detection Principle | Laser Scattering |
| Communication Interface | UART / PWM |
| Operating Voltage | 5.0V +/- 5% |
| Response Time | Less than 10 seconds |
| Particle Size Range | 0.3 to 10 um |
| Concentration Range | 0 to 1000 ug/m3 |
| Operating Temperature | -10C to 60C |
| Operating Humidity | 0% to 95% RH |
| Module Dimensions | 48mm x 38mm x 13mm |
| Expected Lifespan | Over 20,000 hours |
Anonymous
Apr 06, 2026
Rating: 4/5
Good sensor, wiring needs care
Accurate data but the pinout diagram could be clearer. Once connected, it is stable.
Anonymous
Mar 08, 2026
Rating: 5/5
Perfect for my air quality monitor
Works flawlessly with my ESP32 setup. Readings match my commercial purifier.
Anonymous
Feb 18, 2026
Rating: 4/5
Great value
Cheaper than buying a whole unit just for the sensor. Works as expected.
Anonymous
Feb 12, 2026
Rating: 5/5
Reliable for prototyping
Using this for a client project. Consistent output and low power consumption.
Anonymous
Feb 08, 2026
Rating: 5/5
Genuine product
Verified genuine D7B. Packaging was secure and delivery was fast.
Q: What is the data update frequency?
A: The standard update rate is 1 second per data point.
Q: Does it come with a fan?
A: Yes, the module includes the internal sampling fan.
Q: How do I clean the sensor?
A: Use compressed air gently on the inlet. Do not open the casing.
Q: Is this compatible with Arduino Uno?
A: Yes, it works via UART. You may need a logic level converter.
Q: Can this detect smoke?
A: It detects particulate matter which includes smoke particles, but it is not a dedicated smoke alarm.
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