Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Interface | I2C |
| Supply Voltage | 3.3V to 5V DC |
| Sensor Type | Multi-Pixel Gas Sensor |
| Measurement Range TVOC | 0 to 60000 ppb |
| Measurement Range eCO2 | 400 to 65000 ppm |
| Operating Temperature | -40°C to 85°C |
| Operating Humidity | 0% to 100% RH |
| Module Dimensions | 20mm x 15mm x 3mm |
| Warm-up Time | Approximately 20 seconds |
| Expected Lifetime | > 10 Years |
Anonymous
Mar 13, 2026
Rating: 5/5
Great for Home Automation
Works perfectly with my ESP32 setup. Readings seem consistent with my other monitor after calibration.
Anonymous
Mar 09, 2026
Rating: 5/5
Excellent Support
Had a question about wiring and got a quick response. The module itself is very small and efficient.
Anonymous
Feb 25, 2026
Rating: 5/5
Compact and Reliable
Easy to solder and integrate into custom PCBs. The I2C interface is very straightforward to use.
Anonymous
Feb 17, 2026
Rating: 4/5
Good Value
Calibration takes a few days to stabilize but works well after that. Good documentation provided.
Anonymous
Jan 28, 2026
Rating: 3/5
Sensitive to Alcohol
Be aware that hand sanitizer affects readings temporarily. Otherwise functions as expected for VOCs.
Q: Can it detect smoke?
A: It detects VOCs associated with smoke but is not certified as a fire alarm or safety device.
Q: Is this true CO2 detection?
A: It measures eCO2 based on VOC levels, not direct NDIR CO2 measurement, but correlates well for indoor air.
Q: What is the pinout?
A: The module features 4 pins: VCC, GND, SDA, and SCL for power and data communication.
Q: Does this work with Arduino?
A: Yes, libraries are available for Arduino IDE to interface with this sensor via I2C.
Q: How long to calibrate?
A: About 7 days of operation in fresh air is recommended for full baseline accuracy.
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