Resources:

Grove_-_Air_quality_sensor_v1.3_sch.pdf
AirQuality Sensor Library.zip
Air_quality sensor_MP503_English.pdf
Seeed’s forum

Grove Air Quality Sensor v1.3 Seeed Studio
The Grove Air Quality Sensor v1.3 is a compact and highly sensitive indoor air-monitoring module designed to detect a wide range of harmful and slightly toxic gases. Built to identify carbon monoxide, alcohol, acetone, thinner, formaldehyde and similar volatile compounds, this sensor reflects gas concentration through changes in conductivity, ensuring responsive and accurate measurement. With compatibility for both 5V and 3.3V systems, it integrates easily with Arduino, Raspberry Pi and other popular development boards. Its low power consumption and long-term stability make it an excellent choice for continuous indoor environmental monitoring. Supported by extensive tutorials and community resources, the Grove Air Quality Sensor v1.3 is ideal for smart home safety, educational projects, DIY air-quality devices and IoT-based environmental sensing applications.
Key Features

High Sensitivity: Detects gas concentration through conductivity changes for accurate indoor air-quality measurement.
Cost-Effective & Stable: Low power consumption and long sensor life ensure reliable, long-term monitoring.
Wide Gas Detection Range: Responds to carbon monoxide, alcohol, acetone, thinner, formaldehyde and other mildly toxic gases.
Strong Compatibility: Works with both 5V and 3.3V systems, suitable for Arduino, Raspberry Pi and Grove-based platforms.
Starter-Friendly: Comes with detailed tutorials, community examples and abundant learning resources.

Package Content:

Grove – Air quality sensor v1.3×1
Grove Cablex1