Advanced Sensing Technology: Equipped with multi-pixel technology, the SGP41 Air Quality Sensor provides accurate monitoring of volatile organic compounds (VOCs) and nitrogen oxides (NOx). High Compatibility: Designed for easy integration with microcontrollers and development boards, suitable for DIY projects and professional applications. Real-Time Detection: Enables real-time gas level monitoring for prompt response and air quality management in homes, offices, and industrial environments. Compact and Reliable: Features a compact design for installation in confined spaces, with robust construction ensuring long-term reliability and accuracy. Sensirion SGP41 dual-gas environmental sensor VOC and NOx dual-indicator synchronous monitoring Fourth-generation machine learning-based anti-interference algorithm Interface type: STEMMA QT / Qwiic (I²C, solderless connection) Core chip: Sensirion SGP41 (successor to SGP40) Dual-gas identification capability VOC Index: For monitoring formaldehyde, smoke, and human odor — accuracy ±15% NOx Index: For monitoring automotive exhaust and combustion-related pollutants Dual signal parallel output: Simultaneous VOC Index + NOx Index (0–500 scale), response time < 1 second AI-powered anti-interference engine Integrated Sensirion SVM4 algorithm for automatic signal filtering Compensates for interference from perfumes, cleaning agents, temperature/humidity fluctuations (humidity compensation accuracy ±3% RH), and sensor aging (operational lifespan up to 15 years) Detection range: VOC/NOx indices 0–500 Operating voltage: 3.3 V ±10% (supports 1.7–3.6 V battery operation) Power consumption: 1.2 mA (active dual-mode), 0.1 mA (standby) Operating temperature range: –30°C to +70°C I²C address: fixed at 0x59 Color: As shown Material: PCB Package Contents: 1 × SGP41 Module 1 × Pin header (soldering required) Note: The actual product color may vary slightly due to lighting conditions and display settings. Measurement tolerance: ±1–3 cm.