The BME280 used on this combo module is an integrated environmental sensor, which was developed especially for mobile applications, in which the size and the low power consumption are important design restrictions. The BME280 supports both SPI and I2C interfaces to communicate with the microcontroller. https://elecena.pl/product/28347982/whadda-wpse335-bme280-temperature-humidity-and-pressure-sensor 2025-04-12 https://elecena.pl/product/28347982/whadda-wpse335-bme280-temperature-humidity-and-pressure-sensor 2025-08-17