Sensor selection: Humidity, pressure and gas sensors can be enabled or disabled individually. Interface options: I2C up to 3.4 MHz; SPI (3 and 4wire) up to 10 MHz. Supply voltage: 1.7 V to 3.6 V. Operating temperature: 40 C to +85 C. Benefits and use cases Flexibility: Use only the sensors you need to reduce power consumption and simplify your design. Compatible interfaces: Choose I2C or SPI to fit your microcontroller and board layout. Wide voltage range: Works with multiple host processors and power budgets. Robust temperature range: Suitable for harsh or field environments. Practical applications IoT environmental monitoring nodes in industrial or commercial spaces, connected via I2C or SPI to a central controller. Portable field instruments for measuring humidity, gas presence, and pressure in outdoor or remote locations. Smart building sensors for HVAC control and weather data collection in home or office deployments.