Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Sensor Chipset | CCS811 + HDC1080 |
| Communication Interface | I2C |
| Operating Voltage | 3.3V - 5V DC |
| eCO2 Range | 400 - 8192 ppm |
| TVOC Range | 0 - 1187 ppb |
| Temperature Accuracy | ±0.3°C |
| Humidity Accuracy | ±2% RH |
| PCB Dimensions | 20 x 20 mm |
| Warm-up Time | 20 Minutes |
| Compatibility | Arduino, Raspberry Pi, ESP32 |
Anonymous
Apr 09, 2026
Rating: 3/5
Library setup was tricky
The hardware works fine, but I had to search online to find the right Arduino library. Once configured, it works as expected.
Anonymous
Feb 27, 2026
Rating: 5/5
Perfect for Home Automation
Works flawlessly with my ESP32 project. The I2C connection was straightforward and the readings seem consistent after the warm-up period.
Anonymous
Feb 23, 2026
Rating: 5/5
Fast shipping and well packed
Arrived quickly and was protected well in anti-static packaging. Integrated into my Home Assistant setup without issues.
Anonymous
Feb 22, 2026
Rating: 5/5
Accurate enough for monitoring
I compared this against a more expensive unit and the trends matched perfectly. Great for monitoring plant room air quality.
Anonymous
Feb 20, 2026
Rating: 4/5
Good value sensor
Solid module for the price. Just remember it needs about 20 minutes to stabilize before the data is reliable. Documentation could be slightly better.
Q: Can I power this directly with 5V?
A: Yes, the module includes a voltage regulator and can accept input voltage between 3.3V and 5V DC safely.
Q: What library do you recommend for Arduino?
A: We recommend using the popular Adafruit CCS811 library available in the Arduino Library Manager for easy integration.
Q: Does this detect carbon monoxide for safety alarms?
A: No, this sensor measures equivalent CO2 (eCO2) and VOCs for air quality monitoring. It is not certified for safety-critical carbon monoxide detection.
Q: How long should I wait before reading data?
A: For the most accurate baseline readings, we recommend allowing the sensor to warm up for at least 20 minutes after powering on.
Q: Is this module compatible with Raspberry Pi 4?
A: Yes, you can connect it via the I2C GPIO pins on the Raspberry Pi 4. Ensure you enable I2C in the configuration settings.
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