BME280 Temperature, Humidity & Pressure Sensor

BME280 Temperature, Humidity & Barometric Pressure Sensor

The Bosch BME280 combines high-linearity temperature, humidity, and atmospheric pressure sensors in an ultra-compact package. Engineered for high-precision environmental tracking, HVAC management, indoor GPS dead reckoning, and advanced IoT weather monitors.

Specifications

• Humidity Sensor: 0 - 100% RH (±3% accuracy, 1s response time)
• Pressure Sensor: 300 - 1100 hPa (±1 hPa absolute accuracy)
• Temperature Sensor: -40°C to +85°C (±0.5°C accuracy)
• Communication Bus: I2C (address 0x76 or 0x77) and SPI
• Operating Voltage: 3.3V / 5V DC compatible via onboard level shifting
• Ultra-low power sleep mode: 0.1 μA