# esp-idf-lib/sgp40 [](https://github.com/esp-idf-lib/sgp40/actions/workflows//build.yml) [](https://github.com/esp-idf-lib/sgp40/actions/workflows//build-docs.yml) [](https://github.com/esp-idf-lib/sgp40/actions/workflows//validate-component.yml) Driver for SGP40 / SGP41 Indoor Air Quality Sensor for VOC (& NOx) Measurements. - [Documentation](https://esp-idf-lib.github.io/sgp40/) - [Repository](https://github.com/esp-idf-lib/sgp40) - [Issues](https://github.com/esp-idf-lib/sgp40/issues) - [Discussions and questions](https://github.com/esp-idf-lib/core/discussions) - [Component page at the ESP Component Registry](https://components.espressif.com/components/esp-idf-lib/sgp40) ## Installation ```sh idf.py add-dependency esp-idf-lib/sgp40 ``` ## Support For questions and discussions about the component, please use [Discussions](https://github.com/esp-idf-lib/core/discussions) at [esp-idf-lib/core](https://github.com/esp-idf-lib/core). ## Contributing Please read [CONTRIBUTING.md](https://github.com/esp-idf-lib/core/blob/main/CONTRIBUTING.md) at [esp-idf-lib/core](https://github.com/esp-idf-lib/core).
bf408ff8d67b2ebd4f415b4903a11ee89321760b
idf.py add-dependency "esp-idf-lib/sgp40^2.1.0"