BME280 3.3V: BEM280 technical parameters: Relative humidity range: 0-100% The temperature range is -40 ° C- + 85 ° C Humidity measurement response time: 1S Lag: relative humidity 2% Pressure range: 300-1100 hPa Absolute pressure accuracy: Absolute value ± 1hPa (after welding) Absolute temperature accuracy: ± 0.5 ° C (at 25 ° C) Communication interface: I2C, SPI Product parameters: Working voltage: DC3.3V BME280 5V: 100% brand new and high quality BME280, the precision sensor from Bosch, is soldered onto PCB. Not only the pressure and the temperature, this sensor can measure humidity. It uses both I2C and SPI (supports 3-, 4-wire SPI) interface Specifications: Supply Voltage: 1.8 - 5V DC Interface: I2C (up to 3.4MHz), SPI (up to 10 MHz) Operational Range: Temperature: -40 to +85°C Humidity: 0-100% Pressure: 300-1100 hPa Resolution: Temperature: 0.01°C Humidity: 0.008% Pressure: 0.18Pa Accuracy: Temperature: +-1°C Humidity: +-3% Pressure: +-1Pa I2C address SDO LOW : 0x76 SDO HIGH: 0x77