Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Detection Principle | Infrared Scattering |
| Measured Particle Size | 0.3 - 10 μm |
| Output Interface | UART / PWM |
| Operating Voltage | 5.0V ±0.2V |
| Response Time | ≤ 10 seconds |
| Consistency Error | ±10% |
| Operating Temperature | -10°C to 50°C |
| Storage Temperature | -20°C to 60°C |
| Dimensions | 48mm x 40mm x 12mm |
| Lifespan | > 5 Years |
Anonymous
Mar 13, 2026
Rating: 4/5
Good accuracy, needs calibration time
The sensor works well once it warms up. I noticed it takes about 3 minutes to stabilize after power-on. Once stable, the PM2.5 data is consistent and reliable for my indoor garden monitoring.
Anonymous
Mar 10, 2026
Rating: 5/5
Perfect for my home automation project
This sensor module integrated seamlessly with my ESP32 setup. The UART communication is stable, and the readings match closely with my dedicated air quality monitor. Great value for the price.
Anonymous
Mar 09, 2026
Rating: 5/5
Reliable long-term data
Been running this sensor 24/7 for two months now. No drift in data observed. It handles humidity changes well without giving false positives. Highly recommend for any IoT weather station.
Anonymous
Mar 07, 2026
Rating: 4/5
Solid performance for the cost
For a budget sensor, the consistency is surprisingly good. It's not laboratory grade, but for hobbyist projects and general environmental monitoring, it exceeds expectations. Shipping was fast too.
Anonymous
Mar 02, 2026
Rating: 5/5
Essential for air purifier upgrade
I used this to add smart features to an old air purifier. It detects smoke and dust very effectively. The PWM output makes it easy to control fan speed based on air quality levels automatically.
Anonymous
Mar 01, 2026
Rating: 5/5
Robust build quality
Impressed by the build quality of the DC01. The infrared principle seems much more durable than laser-based sensors I've used previously. Documentation was clear and helped me get started quickly.
Q: Can this module detect particles smaller than 0.3 microns?
A: The DC01 is optimized for particles between 0.3 and 10 microns. While it may register some smaller particles, the accuracy is not guaranteed below the 0.3μm threshold.
Q: Does this sensor consume a lot of power for battery-operated devices?
A: The typical operating current is around 100mA during active measurement. For battery-powered applications, we suggest implementing a sleep/wake cycle to conserve energy.
Q: Does this sensor require a warm-up period before reading accurate data?
A: Yes, we recommend allowing the sensor to warm up for approximately 3 minutes after powering on to ensure stable and accurate readings.
Q: What is the maximum cable length recommended for the UART connection?
A: For reliable signal integrity, we recommend keeping the connection cables under 1 meter. If longer distances are needed, please use shielded cables or level shifters.
Q: Is the communication protocol compatible with Arduino Uno?
A: Absolutely. The module uses standard UART (TTL level) which is fully compatible with Arduino Uno, Mega, and other microcontrollers with serial capabilities.
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