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Detect Gas Levels and Air Changes in Real Time
The Air Quality Sensor Breakout VOC and eCO2 CCS811 is a gas sensor with i2c designed for air-quality projects, leak alerts, and ventilation monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.
Key details include Interface: I2C.
Important: Most gas and chemical sensors work best after warm-up and calibration. Readings can drift with temperature, humidity, and sensor age.
Why you’ll love it
- Easy wiring: I2C
- Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics
- Common controller support: Works well with Arduino, ESP32, Raspberry Pi, and similar boards
- Project-ready sensing: air-quality projects, leak alerts, and ventilation monitoring
Compare with similar products
| Product | Sensor style | Standout |
|---|---|---|
| Air Quality Sensor Breakout VOC and eCO2 CCS811 | gas sensor with I2C | Current item |
| Air Quality Sensor SGP30 Breakout VOC and eCO2 Adafruit | gas sensor with I2C | I2C interface, gas detection |
| Adafruit SGP40 Air Quality Sensor Breakout - VOC Index - STEMMA QT / Qwiic | gas sensor with I2C | STEMMA QT connector, Qwiic connector |
| Adafruit ENS160 MOX Gas Sensor - Sciosense CCS811 Upgrade - STEMMA QT / Qwiic | gas sensor with I2C | STEMMA QT connector, Qwiic connector |
What you can build
This sensor is a good fit for indoor air monitors, gas leak alarms, ventilation control, safety demos, and classroom experiments.
Starter bundles
Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus an I2C cable or jumper wires for quick setup and testing.
Recommended add-ons
Useful add-ons include fresh-air test setup, an enclosure with vents, and a display for local readout, depending on how you plan to power, mount, and log the sensor.
Technical specifications
| Product | Air Quality Sensor Breakout VOC and eCO2 CCS811 |
|---|---|
| Product Dimensions | 21.0mm x 18.0mm x 3.0mm / 0.8" x 0.7" x 0.1" |
| Product Weight | 1.2g / 0.0oz |
| Interface | I2C |
| Category | gas sensors |
Wiring & usage notes
Connect VCC, GND, SDA, and SCL to your controller. Use the correct board voltage and I2C address in your code. Most gas and chemical sensors work best after warm-up and calibration. Readings can drift with temperature, humidity, and sensor age.
What’s in the box
1 × Air Quality Sensor Breakout VOC and eCO2 CCS811
Frequently Asked Questions
What does the Air Quality Sensor Breakout VOC and eCO2 CCS811 measure?
It is designed to measure gas concentration changes in air.
Can I use it with Arduino, ESP32, or Raspberry Pi?
Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
How do I connect this I2C sensor?
This version uses I2C, so you usually connect VCC, GND, SDA, and SCL.
Does it need calibration?
Yes. Chemical and gas sensors usually need warm-up time, calibration, and periodic checking if you want stable readings.
Is it good for prototyping?
Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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