Multigas sensor module compatible with SGP30, SGP40, and SGP41 sensor chips. Designed to monitor indoor air quality parameters including total volatile organic compounds TVOC, equivalent CO2 eCO2, formaldehyde HCHO, and carbon dioxide CO2. Compact, stable, and easy to integrate into electronic projects and monitoring systems. Key benefits Comprehensive gas detection: monitors TVOC, eCO2, HCHO, and CO2 on a single module to give a broader view of air quality. Reliable and stable performance: sensor chips offer consistent readings for continuous monitoring and longterm projects. Easy integration: standard digital interface for direct connection to common microcontrollers and single board computers. Compact form factor: PCBmounted module fits into small enclosures and embedded systems without adding bulk. Saves development time: works with widely used platforms and available software libraries for quick prototyping. Product highlights and attributes Function: multiparameter gas detection for indoor air quality assessment, including TVOC, eCO2, formaldehyde, and CO2 concentrations. Models supported: SGP30, SGP40, SGP41 sensor chips on module form. Interface: standard digital communication for straightforward wiring and data reading. Physical: compact PCB module designed for embedded and desktop tester applications. Performance: designed for precision sensing and stable output suitable for continuous or periodic sampling. Materials: PCBmounted sensor assembly suitable for enclosure mounting and integration into electronic projects. Compatibility Integrates with common microcontrollers and single board computers such as Arduino and Raspberry Pi, as well as ESP32 and similar development boards. Typical use with I2Cenabled projects and sensor networks for logging and control. Practical use scenarios 1. Home and office air quality monitors: add realtime TVOC and eCO2 monitoring to smart home dashboards to track indoor pollution trends and ventilation needs. 2. HVAC and ventilation control: feed sensor data to building controllers to adjust airflow based on measured indoor gas levels. 3. Embedded testing and R and D: use the module for prototyping environmental sensing devices, classroom experiments, or laboratory bench testing. Integration tips Use available software libraries for the supported sensor chips to simplify initialization and data conversion. Place the module away from direct airflow or heat sources for more representative ambient readings. Calibrate and baseline sensors per manufacturer guidance when deploying in longterm or critical applications. This multigas sensor module provides a compact, precise, and integrationfriendly solution for projects that require reliable measurement of TVOC, eCO2, formaldehyde, and CO2 levels.