Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Detection Gas | Formaldehyde (CH2O) |
| Operating Voltage | 5.0V DC |
| Interface Type | UART / TTL |
| Measurement Range | 0 - 5 ppm |
| Resolution | 0.01 ppm |
| Response Time | < 30 seconds |
| Preheat Time | < 3 minutes |
| Operating Temperature | -20°C to 50°C |
| Module Dimensions | 20 x 20 x 10 mm |
| Expected Lifespan | > 5 Years |
Anonymous
Apr 16, 2026
Rating: 5/5
Low power draw
Great for battery powered monitoring stations. Very efficient and does not drain the cell quickly.
Anonymous
Apr 05, 2026
Rating: 3/5
Needs calibration
Works well but required manual calibration out of the box for my specific environmental needs.
Anonymous
Mar 15, 2026
Rating: 5/5
Perfect for IoT Integration
Integrated this into my ESP32 project easily. Readings are consistent and the UART communication is straightforward.
Anonymous
Feb 24, 2026
Rating: 4/5
Good accuracy
Compared well against a professional meter. Warmup time is accurate as described in the specs.
Anonymous
Feb 18, 2026
Rating: 5/5
Compact and reliable
Small footprint makes it easy to fit into tight enclosures for my custom air monitoring box.
Q: What is the default baud rate?
A: The default baud rate for communication is 9600 bps.
Q: Is there a datasheet available?
A: Yes, you can download the full datasheet from the product resources section on our website.
Q: Can this connect to Raspberry Pi?
A: Yes, it can connect via the UART interface using the GPIO pins on the Raspberry Pi.
Q: Does it detect benzene or other VOCs?
A: No, this sensor is specifically tuned for Formaldehyde detection.
Q: Is calibration equipment included?
A: No, calibration equipment is sold separately. Please refer to the manual for calibration procedures.
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