Introducing the Gas Sensor Module – Enhance your environment with precise monitoring of CO₂ levels, essential for maintaining optimal indoor air quality. Combining high accuracy with affordability. Empower your indoor spaces with the sensor module, ensuring long-lasting, efficient, and accurate air quality monitoring. Supports intelligent adjustment of indoor ventilation systems based on carbon dioxide concentration. Measurement range: 400–2000 ppm Power supply voltage range: 2.4–5.5 V Accuracy: ±(40 ppm + 5%) Digital I²C interface Integrated temperature and humidity sensors Low power consumption: < 0.4 mA average @ 5 V, 1 measurement per 5 minutes Interface definition: 1. GND: Ground 2. VCC: Power input (positive) 3. SCL: I²C clock line 4. SDA: I²C data line Board size: 13.4 × 21.6 mm – Compact design for versatile integration. Color: As shown Material: PCB Type: Module (purple board with interface) Package contents: 1 × Gas Sensor Module Note: Due to variations in lighting, screen settings, and manufacturing batches, actual product appearance and color may differ slightly from images. Minor dimensional tolerances may apply.