Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Sensor Type | MOX (Metal Oxide) Gas Sensor |
| Measured Parameters | TVOC, eCO2, Formaldehyde (HCHO) |
| Communication Interface | I2C |
| Operating Voltage | 3.3V - 5V DC |
| Current Consumption | 48 mA (during measurement) |
| Detection Range (eCO2) | 400 - 60000 ppm |
| Detection Range (TVOC) | 0 - 60000 ppb |
| Response Time | < 60 seconds |
| Operating Temperature | -10°C to +50°C |
| Module Dimensions | 13mm x 13mm x 2.5mm |
Anonymous
Mar 27, 2026
Rating: 5/5
Excellent precision for the size
Impressed by how small yet capable this sensor is. The formaldehyde detection feature adds an extra layer of safety monitoring that many cheaper sensors lack. Highly recommended for health-conscious builders.
Anonymous
Mar 23, 2026
Rating: 4/5
Good sensor, requires calibration time
The sensor provides consistent data after the initial 7-day calibration period mentioned in the datasheet. It helped me optimize ventilation in my indoor garden. Just be patient during the first week of use.
Anonymous
Mar 20, 2026
Rating: 5/5
Easy to integrate with Arduino
Library support is excellent. I had it up and running in under 30 minutes. The TVOC readings react quickly to cooking fumes and cleaning products, making it very responsive for real-time monitoring.
Anonymous
Mar 09, 2026
Rating: 3/5
Works well but documentation could be better
The hardware is great, but I had to dig through forums to understand the baseline correction algorithm. Once figured out, it performs as expected. Would give 5 stars if the guide was more detailed.
Anonymous
Mar 02, 2026
Rating: 4/5
Reliable but sensitive to humidity
Overall a solid module. Note that extreme humidity changes can temporarily affect readings, but it stabilizes quickly. For the price point, it's hard to beat for general air quality awareness.
Anonymous
Mar 01, 2026
Rating: 5/5
Perfect for Home Automation Projects
This SGP30 module works flawlessly with my ESP32 setup. The I2C communication is stable, and the eCO2 readings seem quite accurate when compared to a reference meter. Great value for DIY air quality monitors.
Q: Is the 5V tolerance safe for long-term operation?
A: While the module can accept 5V input due to an onboard regulator, the sensor chip itself operates at 3.3V. For optimal longevity and stability, we recommend powering it with a stable 3.3V source if your controller supports it.
Q: How long does the initial calibration take before accurate readings are available?
A: The SGP30 sensor requires an initial run-in period of approximately 7 days (168 hours) of continuous operation in fresh air to establish an accurate baseline for eCO2 and TVOC calculations.
Q: Can this sensor detect carbon monoxide (CO)?
A: No, the SGP30 is specifically designed to measure Total Volatile Organic Compounds (TVOC) and equivalent Carbon Dioxide (eCO2). It does not directly measure Carbon Monoxide (CO).
Q: What is the expected lifespan of the sensor element?
A: Under normal operating conditions within the specified temperature and humidity ranges, the sensor element typically has a lifespan of over 10 years.
Q: Does this module come with a built-in pull-up resistor for the I2C lines?
A: Yes, the module includes 4.7kΩ pull-up resistors on both SDA and SCL lines, making it ready to connect directly to most microcontrollers without additional components.
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