Elecfreaks PlanetX BME280 is a multifunctional sensor for measuringtemperature, relative humidity and atmospheric pressure. Thanks to the built-in BME280 module it cancalculate altitudebased on measured atmospheric pressure, which makes it suitable for STEM projects, trainings and development with microcontrollers.The sensor is connected byI2C interfaceand compatible withNezha Expansion Board, providing easy and fast integration in educational and practical projects.The color label of the ports facilitates proper connection and reduces the probability of errors in work, making it an appropriate choice for both beginners and advanced users.Thanks to its compatibility with the modular systemPlanetX, the sensor can easily be combined with other modules and components to create various automated and IoT projects.For the use of the sensor are necessaryNezha Expansion BoardandRJ11 cablewhich are offered separately.