Detect Gas Levels and Air Changes in Real Time

The Air Quality Sensor SGP30 Breakout VOC and eCO2 Adafruit 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.

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

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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

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 SGP30 Breakout VOC and eCO2 Adafruit

Frequently Asked Questions