Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Sensor Type | MOX (Metal Oxide) Gas Sensor |
| Measured Parameters | TVOC, eCO2 |
| Communication Interface | I2C |
| Operating Voltage | 3.3V - 5V DC |
| Detection Range (eCO2) | 400 - 60000 ppm |
| Detection Range (TVOC) | 0 - 60000 ppb |
| Response Time | < 60 seconds (typical) |
| Operating Temperature | -10°C to +50°C |
| Operating Humidity | 5% to 95% RH (non-condensing) |
| Module Dimensions | 13mm x 13mm x 2.5mm |
Anonymous
Mar 28, 2026
Rating: 5/5
Compact and efficient
The small form factor makes it easy to hide inside custom enclosures. Power consumption is low enough for battery-operated projects if you manage the sleep cycles correctly. Highly recommended for DIY enthusiasts.
Anonymous
Mar 25, 2026
Rating: 3/5
Decent but not medical grade
It gives a good general idea of air quality trends, but do not expect laboratory precision. It is perfect for triggering a fan when CO2 levels rise, but don't use it for critical health monitoring. Good for hobbyist use.
Anonymous
Mar 21, 2026
Rating: 4/5
Good value but needs warm-up time
Works well for monitoring my indoor garden. Just remember that it takes about 48 hours of continuous power for the baseline to stabilize completely. Once calibrated, the eCO2 trends are very accurate.
Anonymous
Mar 15, 2026
Rating: 5/5
Perfect for Home Automation Projects
Integrated this sensor into my ESP32 based air quality monitor. The I2C communication is stable and the library support is excellent. Readings seem consistent with my standalone CO2 meter after the initial calibration period.
Anonymous
Mar 15, 2026
Rating: 5/5
Easy to use with Arduino
Plug and play with standard libraries. The documentation provided by the seller was clear. It detects cooking fumes and perfume changes instantly. Great sensitivity for the price point.
Anonymous
Mar 09, 2026
Rating: 4/5
Reliable data logging component
Using this in a classroom environment to track air quality throughout the day. The TVOC readings spike appropriately when the room gets stuffy. Only minor issue is the sensitivity to humidity changes, but that is expected for this sensor type.
Q: How long does the initial calibration take?
A: For best accuracy, the sensor should be operated in fresh air (outdoors or well-ventilated area) for at least 48 hours continuously upon first use. This allows the algorithm to establish a reliable baseline.
Q: Is this compatible with 5V Arduino boards?
A: Yes, the module includes a voltage regulator and level shifting, making it safe to connect to both 3.3V and 5V microcontrollers like the Arduino Uno or Nano.
Q: Does this module output raw resistance values or processed data?
A: The SGP30 outputs processed digital values for TVOC and eCO2 directly via the I2C interface. It performs internal signal processing and compensation, so you do not need to calculate resistance manually.
Q: What is the expected lifespan of the sensor?
A: Under normal operating conditions within the specified temperature and humidity ranges, the sensor has an expected operational lifetime of more than 10 years.
Q: Can this detect carbon monoxide (CO)?
A: No, the SGP30 is specifically designed to measure Total Volatile Organic Compounds (TVOC) and equivalent Carbon Dioxide (eCO2). It is not calibrated for detecting Carbon Monoxide (CO).
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