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The BME280 is a compact environmental sensor from Bosch Sensortec that measures temperature, humidity, and barometric pressure. It operates within a voltage range of 1.71V to 3.6V and supports both I²C and SPI communication interfaces. The sensor offers high accuracy with a temperature range of -40°C to +85°C, humidity range of 0% to 100% RH, and pressure range of 300 to 1100 hPa. It features low power consumption, with typical current consumption as low as 1.8 µA at a 1 Hz data refresh rate. The BME280 is ideal for applications such as weather stations, indoor navigation, and fitness tracking systems. Its small form factor and low power requirements make it suitable for portable and battery-powered devices.

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